{"id":"CVE-2021-40832","aliases":["EUVD-2021-27989","GHSA-52rq-v884-rfrr"],"status":"published","title":"Denial-of-Service (DoS) Vulnerability","description":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00563,"percentile":0.47333,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-10-08T09:45:34Z","modified":"2026-06-17T04:07:30Z","products":[{"vendor":"f-secure","product":"atlant"},{"vendor":"f-secure","product":"cloud_protection_for_salesforce"},{"vendor":"f-secure","product":"elements_endpoint_detection_and_response"},{"vendor":"f-secure","product":"elements_endpoint_protection"},{"vendor":"f-secure","product":"elements_for_microsoft_365"},{"vendor":"f-secure","product":"f-secure endpoint protection products on windows and mac. f-secure linux security (32-bit)  f-secure linux security 64  f-secure atlant  f-secure cloud protection for salesforce and cloud protection for microsoft office 365"},{"vendor":"f-secure","product":"internet_gatekeeper"},{"vendor":"f-secure","product":"linux_security"}],"references":[{"url":"https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40832","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40832"},{"url":"https://github.com/advisories/GHSA-52rq-v884-rfrr"}],"sources":{"cve":[{"id":"CVE-2021-40832","title":"Denial-of-Service (DoS) Vulnerability","description":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.","status":"published","published":"2021-10-08T09:45:34Z","modified":"2024-08-04T02:51:07.506Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27989","description":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.","status":"published","published":"2021-10-08T09:45:34Z","modified":"2024-08-04T02:51:07Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:24:19.692229Z"}],"ghsa":[{"id":"GHSA-52rq-v884-rfrr","title":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL...","description":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.","status":"published","published":"2022-05-24T19:17:03Z","modified":"2023-01-30T05:02:45Z","updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-40832","description":"A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVRDL unpacking module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.","status":"published","published":"2021-10-08T10:15:07.89Z","modified":"2026-06-17T04:07:30.217Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}