{"id":"CVE-2021-3552","aliases":["EUVD-2021-26863","GHSA-pr6v-cc4g-cpxj"],"status":"published","title":"Insufficient validation on regular expression in EPPUpdateService config file (VA-9825)","description":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01339,"percentile":0.71477,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2021-11-24T14:40:13Z","modified":"2026-06-17T04:05:20Z","products":[{"vendor":"bitdefender","product":"endpoint security tools"},{"vendor":"bitdefender","product":"endpoint_security_tools"},{"vendor":"bitdefender","product":"gravityzone"}],"references":[{"url":"https://www.bitdefender.com/support/security-advisories/insufficient-validation-regular-expression-eppupdateservice-config-file-va-9825","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3552"},{"url":"https://github.com/advisories/GHSA-pr6v-cc4g-cpxj"}],"sources":{"cve":[{"id":"CVE-2021-3552","title":"Insufficient validation on regular expression in EPPUpdateService config file (VA-9825)","description":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.","status":"published","published":"2021-11-24T14:40:13.004Z","modified":"2024-09-16T17:33:06.659Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26863","description":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.","status":"published","published":"2021-11-24T14:40:13Z","modified":"2024-09-16T17:33:06Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:41.00036Z"}],"ghsa":[{"id":"GHSA-pr6v-cc4g-cpxj","title":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of...","description":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.","status":"published","published":"2021-11-25T00:00:37Z","modified":"2023-02-01T05:06:29Z","cwes":["CWE-918"],"updated_at":"2026-11-02T14:50:21.781869Z"}],"nvd":[{"id":"CVE-2021-3552","description":"A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.","status":"published","published":"2021-11-24T16:15:13.667Z","modified":"2026-06-17T04:05:20.067Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:07:01.428028Z"}]}}