{"id":"CVE-2020-24696","aliases":["DEBIAN-CVE-2020-24696","EUVD-2020-17410","GHSA-6vw9-xcrf-334g"],"status":"published","title":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss...","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","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":0.01363,"percentile":0.71981,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-362"],"published":"2020-10-02T08:21:46Z","modified":"2026-10-26T12:00:39Z","fixes":[{"ecosystem":"Debian:12","package":"pdns","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pdns","fixed_in":["4.4.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pdns","fixed_in":["4.4.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pdns","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1"}]}]}],"products":[{"vendor":"powerdns","product":"authoritative"}],"references":[{"url":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24696"},{"url":"https://github.com/advisories/GHSA-6vw9-xcrf-334g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24696","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-24696","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2020-10-02T08:21:46Z","modified":"2024-08-04T15:19:09.36Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17410","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2020-10-02T08:21:46Z","modified":"2024-08-04T15:19:09Z","updated_at":"2026-11-03T03:07:19.210308Z"}],"ghsa":[{"id":"GHSA-6vw9-xcrf-334g","title":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss...","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2022-05-24T17:30:00Z","modified":"2023-01-29T05:04:02Z","updated_at":"2026-11-02T14:45:27.507739Z"}],"nvd":[{"id":"CVE-2020-24696","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2020-10-02T09:15:13.633Z","modified":"2026-06-17T03:05:59.53Z","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":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-24696","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2020-10-02T09:15:13.633Z","modified":"2026-10-24T10:30:35.774882947Z","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"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-24696","description":"An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.","status":"published","published":"2020-10-02T09:15:13.633Z","modified":"2026-10-26T12:00:39.974893093Z","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"}],"updated_at":"2026-11-02T15:45:33.729655Z"}]}}