{"schemaVersion":3,"id":"CVE-2011-5034","aliases":["GHSA-v3h8-rw48-h4gr"],"status":"published","duplicateOf":null,"title":null,"description":"Apache Geronimo 2.2.1 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.  NOTE: this might overlap CVE-2011-4461.","dates":{"published":"2011-12-30T01:00:00.000Z","modified":"2024-08-07T00:23:39.535Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.80569,"percentile":0.99623,"severity":"critical","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.80569},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.80569,"percentile":0.99623}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.80569,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.80569,"percentile":0.99623}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"2012","name":"MyBulletinBoard (MyBB) 1.1.5 - 'CLIENT-IP' SQL Injection","source":"exploit-database","url":"https://www.exploit-db.com/exploits/2012","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":null,"platforms":["php"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"webapps","platform":"php","file":"exploits/php/webapps/2012.php","codes":["OSVDB-84803","CVE-2011-5035","CVE-2011-5034","CVE-2011-4885","CVE-2011-4858","CVE-2011-4084","CVE-2006-3775","OSVDB-84802","OSVDB-78115","OSVDB-78114","OSVDB-78113","OSVDB-78112","OSVDB-27335"]},"metasploit":null},{"id":"MSF_AUXILIARY_DOS_HTTP_HASHCOLLISION_DOS","name":"Hashtable Collisions","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/hashcollision_dos.rb","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"auxiliary/dos/http/hashcollision_dos","rank":"300","rankName":"normal","postAuth":false,"check":false,"stability":["crash-service-down"],"sideEffects":[],"reliability":[]}}],"exploitCount":2,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"apache","product":"geronimo","name":"geronimo","label":"geronimo","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.2.1","noFixRecorded":false,"fixedIn":null},{"text":"1.0","noFixRecorded":false,"fixedIn":null},{"text":"1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.1.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2","noFixRecorded":false,"fixedIn":null},{"text":"2.0.1","noFixRecorded":false,"fixedIn":null},{"text":"2.0.2","noFixRecorded":false,"fixedIn":null},{"text":"2.1","noFixRecorded":false,"fixedIn":null},{"text":"2.1.1","noFixRecorded":false,"fixedIn":null},{"text":"2.1.2","noFixRecorded":false,"fixedIn":null},{"text":"2.1.3","noFixRecorded":false,"fixedIn":null},{"text":"2.1.4","noFixRecorded":false,"fixedIn":null},{"text":"2.1.5","noFixRecorded":false,"fixedIn":null},{"text":"2.1.6","noFixRecorded":false,"fixedIn":null},{"text":"2.1.7","noFixRecorded":false,"fixedIn":null},{"text":"2.1.8","noFixRecorded":false,"fixedIn":null},{"text":"2.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.2.1 | 1.0 | 1.1 | 1.1.1 | 1.2 | 2.0.1 | 2.0.2 | 2.1 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4 | 2.1.5 | 2.1.6 | 2.1.7 | 2.1.8 | 2.2","eol":null,"hubHref":"/vendor/apache/geronimo"},{"vendor":"org.apache.geronimo","product":"geronimo","name":"org.apache.geronimo:geronimo","label":"geronimo","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.apache.geronimo/geronimo","purlType":"maven","versions":[{"text":"< 2.2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.2.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py","label":"github.com/FireFart/HashCollision-DOS-POC/blob/master/HashtablePOC.py","hostname":"github.com","tags":["X Refsource MISC","WEB"]},{"url":"http://www.nruns.com/_downloads/advisory28122011.pdf","label":"www.nruns.com/_downloads/advisory28122011.pdf","hostname":"www.nruns.com","tags":["X Refsource MISC"]},{"url":"http://secunia.com/advisories/47412","label":"secunia.com/advisories/47412","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://www.kb.cert.org/vuls/id/903934","label":"www.kb.cert.org/vuls/id/903934","hostname":"www.kb.cert.org","tags":["Third Party Advisory","X Refsource CERT VN","US Government Resource","WEB"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html","label":"archives.neohapsis.com/archives/bugtraq/2011-12/0181.html","hostname":"archives.neohapsis.com","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://www.ocert.org/advisories/ocert-2011-003.html","label":"www.ocert.org/advisories/ocert-2011-003.html","hostname":"www.ocert.org","tags":["X Refsource MISC","WEB"]},{"url":"https://lists.apache.org/thread.html/r8dc1a0ae0e0cf9d2494b8cbd66562f99331c4cf635e7781850a9b9ba%40%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r20957aa5962a48328f199e2373f408aeeae601a45dd5275a195e2b6e%40%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r653f633aa7b6ccbb8c338dbfcea7a00e4ae9d6f3e064a03cab8dc20d%40%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r360b70489bad65286b49ceb5303a849d2a7ec7d1292774a7259579e1%40%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/rb0e85243d7268f1d7a1edb5e6c7df885dbd300acabaaf4cb0e880518%40%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/rdd67ea3e489134f653349fc2cb09828ac8462aa61dd776b505a3297a%40%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r67747af92035942c9c413bd8394acbb8a1ace5833c0177014c825bc2%40%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r3c541f019b74902e8e61d73e40ecc2837dfce1b744ad5546919b993c%40%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/r4fe6b5ff1d48e23337304fd5ac983d89328aecbd1fa198cfc966fbd7%40%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/ra10015f6f3c3c88b7d813383554e87c06347fe163487148669189b8e%40%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://lists.apache.org/thread.html/ra1fe29f6399b68980f914d8613dee7f67d62a1a97722fe9cd56f4f5f%40%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5034","label":"nvd.nist.gov/vuln/detail/CVE-2011-5034","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/apache/geronimo","label":"github.com/apache/geronimo","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://lists.apache.org/thread.html/r20957aa5962a48328f199e2373f408aeeae601a45dd5275a195e2b6e@%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r360b70489bad65286b49ceb5303a849d2a7ec7d1292774a7259579e1@%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r3c541f019b74902e8e61d73e40ecc2837dfce1b744ad5546919b993c@%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r4fe6b5ff1d48e23337304fd5ac983d89328aecbd1fa198cfc966fbd7@%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r653f633aa7b6ccbb8c338dbfcea7a00e4ae9d6f3e064a03cab8dc20d@%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r67747af92035942c9c413bd8394acbb8a1ace5833c0177014c825bc2@%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/r8dc1a0ae0e0cf9d2494b8cbd66562f99331c4cf635e7781850a9b9ba@%3Cjava-dev.axis.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/ra10015f6f3c3c88b7d813383554e87c06347fe163487148669189b8e@%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/ra1fe29f6399b68980f914d8613dee7f67d62a1a97722fe9cd56f4f5f@%3Cdev.geronimo.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/rb0e85243d7268f1d7a1edb5e6c7df885dbd300acabaaf4cb0e880518@%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://lists.apache.org/thread.html/rdd67ea3e489134f653349fc2cb09828ac8462aa61dd776b505a3297a@%3Cissues.karaf.apache.org%3E","label":"lists.apache.org/thread.html/…","hostname":"lists.apache.org","tags":["WEB"]},{"url":"https://web.archive.org/web/20120105151644/http://www.nruns.com/_downloads/advisory28122011.pdf","label":"web.archive.org/web/20120105151644/http://www.nruns.com/_downloads/advisory28122011.pdf","hostname":"web.archive.org","tags":["WEB"]},{"url":"https://web.archive.org/web/20130213132312/http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html","label":"web.archive.org/web/20130213132312/http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html","hostname":"web.archive.org","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2011-12-30T01:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-07T00:23:39.535Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":57,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T12:36:52.204Z","stale":false,"partial":false}}