{"schemaVersion":3,"id":"CVE-2011-2543","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.","dates":{"published":"2011-09-23T10:00:00.000Z","modified":"2024-08-06T23:08:22.015Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.11503,"percentile":0.95994,"severity":"medium","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.11503},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.11503,"percentile":0.95994}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.11503,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.11503,"percentile":0.95994}]},"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":"REF_2D9FE88B4A42213C","name":"Exploit Reference (securitytracker.com)","source":"reference","url":"http://securitytracker.com/id?1026072","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"17871","name":"Cisco TelePresence SOS-11-010 - Multiple Vulnerabilities","source":"exploit-database","url":"https://www.exploit-db.com/exploits/17871","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":null,"platforms":["hardware"],"requiresAuth":null,"exploitdb":{"verified":false,"type":"webapps","platform":"hardware","file":"exploits/hardware/webapps/17871.txt","codes":["CVE-2011-2577","OSVDB-75663","CVE-2011-2544","CVE-2011-2543","OSVDB-75662","OSVDB-74901"]},"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"cisco","product":"telepresence_c_series_software","name":"telepresence c series software","label":"telepresence_c_series_software","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"tc4.0.0","noFixRecorded":false,"fixedIn":null},{"text":"tc4.0.1","noFixRecorded":false,"fixedIn":null},{"text":"tc4.0.4","noFixRecorded":false,"fixedIn":null},{"text":"tc4.1.0","noFixRecorded":false,"fixedIn":null},{"text":"tc4.1.1","noFixRecorded":false,"fixedIn":null},{"text":"tc4.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"tc4.0.0 | tc4.0.1 | tc4.0.4 | tc4.1.0 | tc4.1.1 | tc4.1.2","eol":null,"hubHref":"/vendor/cisco/telepresence_c_series_software"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.securityfocus.com/bid/49670","label":"www.securityfocus.com/bid/49670","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://securityreason.com/securityalert/8393","label":"securityreason.com/securityalert/8393","hostname":"securityreason.com","tags":["Third Party Advisory","X Refsource SREASON"]},{"url":"http://secunia.com/advisories/46057","label":"secunia.com/advisories/46057","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://secunia.com/advisories/46109","label":"secunia.com/advisories/46109","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1026072","label":"securitytracker.com/id?1026072","hostname":"securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/519698/100/0/threaded","label":"www.securityfocus.com/archive/1/519698/100/0/threaded","hostname":"www.securityfocus.com","tags":["Mailing List","X Refsource BUGTRAQ"]},{"url":"http://www.exploit-db.com/exploits/17871","label":"www.exploit-db.com/exploits/17871","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69907","label":"exchange.xforce.ibmcloud.com/vulnerabilities/69907","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2011-09-23T10:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T23:08:22.015Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T02:07:30.514Z","stale":false,"partial":false}}