{"id":"CVE-2020-7457","aliases":["EUVD-2020-28583","GHSA-jhq7-2279-q727"],"status":"published","title":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4...","description":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.33106,"percentile":0.98374,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-362","CWE-416","CWE-662"],"published":"2020-07-09T13:46:41Z","modified":"2026-06-17T03:24:49Z","exploits":[{"source":"metasploit","id":"exploit/freebsd/local/ip6_setpktopt_uaf_priv_esc","title":"FreeBSD ip6_setpktopt Use-After-Free Privilege Escalation","type":"exploit","platform":"BSD","date":"2020-07-07","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/freebsd/local/ip6_setpktopt_uaf_priv_esc"}],"products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20200724-0002/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7457"},{"url":"https://github.com/advisories/GHSA-jhq7-2279-q727"}],"sources":{"cve":[{"id":"CVE-2020-7457","description":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.","status":"published","published":"2020-07-09T13:46:41Z","modified":"2024-08-04T09:25:49.099Z","updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-28583","description":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.","status":"published","published":"2020-07-09T13:46:41Z","modified":"2024-08-04T09:25:49Z","updated_at":"2026-11-03T03:08:00.054795Z"}],"ghsa":[{"id":"GHSA-jhq7-2279-q727","title":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4...","description":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.","status":"published","published":"2022-05-24T17:22:43Z","modified":"2023-01-29T05:03:38Z","cwes":["CWE-362","CWE-416"],"updated_at":"2026-11-02T14:45:21.848692Z"}],"nvd":[{"id":"CVE-2020-7457","description":"In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.","status":"published","published":"2020-07-09T14:15:10.917Z","modified":"2026-06-17T03:24:49.12Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-362","CWE-416","CWE-662"],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}