{"schemaVersion":3,"id":"CVE-2020-5341","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Deserialization of Untrusted Data Vulnerability Dell EMC Avamar Server versions 7.4.1, 7.5.0, 7.5.1, 18.2, 19.1 and 19.2 and Dell EMC Integrated Data Protection Appliance versions 2.0, 2.1, 2.2, 2.3, 2.4 and 2.4.1 contain a Deserialization of Untrusted Data Vulnerability. A remote unauthenticated attacker could exploit this vulnerability to send a serialized payload that would execute code on the system.","dates":{"published":"2021-07-28T00:05:14.643Z","modified":"2024-09-16T22:34:55.121Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.04254,"percentile":0.90947,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.04254},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04254,"percentile":0.90947}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04254,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04254,"percentile":0.90947}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-502","name":"Deserialization of Untrusted Data","description":"The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/502.html"}],"affected":[{"vendor":"dell","product":"avamar virtual edition","name":"Avamar Virtual Edition","label":"avamar virtual edition","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < Avamar 7.5 Virtual Edition for VMware vSphere only","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < Avamar 7.5 Virtual Edition for VMware vSphere only","eol":null,"hubHref":"/vendor/dell/avamar_virtual_edition"},{"vendor":"dell","product":"emc_avamar_server","name":"emc avamar server","label":"emc_avamar_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.4.1","noFixRecorded":false,"fixedIn":null},{"text":"7.5.0","noFixRecorded":false,"fixedIn":null},{"text":"7.5.1","noFixRecorded":false,"fixedIn":null},{"text":"18.1","noFixRecorded":false,"fixedIn":null},{"text":"18.2","noFixRecorded":false,"fixedIn":null},{"text":"19.1","noFixRecorded":false,"fixedIn":null},{"text":"19.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.4.1 | 7.5.0 | 7.5.1 | 18.1 | 18.2 | 19.1 | 19.2","eol":null,"hubHref":"/vendor/dell/emc_avamar_server"},{"vendor":"dell","product":"emc_integrated_data_protection_appliance_firmware","name":"emc integrated data protection appliance firmware","label":"emc_integrated_data_protection_appliance_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.1","noFixRecorded":false,"fixedIn":null},{"text":"2.2","noFixRecorded":false,"fixedIn":null},{"text":"2.3","noFixRecorded":false,"fixedIn":null},{"text":"2.4","noFixRecorded":false,"fixedIn":null},{"text":"2.4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0 | 2.1 | 2.2 | 2.3 | 2.4 | 2.4.1","eol":null,"hubHref":"/vendor/dell/emc_integrated_data_protection_appliance"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.dell.com/support/security/en-us/details/541677/DSA-2020-057-Dell-EMC-Avamar-Server-Deserialization-of-Untrusted-Data-Vulnerability","label":"www.dell.com/support/…","hostname":"www.dell.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-07-28T00:05:14.643Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T22:34:55.121Z","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":"2026-10-20T07:06:40.934Z","stale":false,"partial":false}}