{"api_version":"1","generated_at":"2026-04-22T16:28:20+00:00","cve":"CVE-2020-24696","urls":{"html":"https://cve.report/CVE-2020-24696","api":"https://cve.report/api/cve/CVE-2020-24696.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-24696","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-24696"},"summary":{"title":"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.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-10-02 09:15:00","updated_at":"2020-10-08 15:16:00"},"problem_types":["CWE-362"],"metrics":[],"references":[{"url":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html","name":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html","refsource":"MISC","tags":["Vendor Advisory"],"title":"PowerDNS Security Advisory 2020-06: Various issues in our GSS-TSIG support — PowerDNS Authoritative Server  documentation","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24696","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24696","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"24696","vulnerable":"1","versionEndIncluding":"4.3.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"powerdns","cpe5":"authoritative","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-24696","qid":"690417","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for powerdns (61d89849-43cb-11eb-aba5-00a09858faf5)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-24696","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html","url":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html"}]}},"nvd":{"publishedDate":"2020-10-02 09:15:00","lastModifiedDate":"2020-10-08 15:16:00","problem_types":["CWE-362"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":5.1},"severity":"MEDIUM","exploitabilityScore":4.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*","versionEndIncluding":"4.3.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"24696","Ordinal":"186106","Title":"CVE-2020-24696","CVE":"CVE-2020-24696","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"24696","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"24696","Ordinal":"2","NoteData":"2020-10-02","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"24696","Ordinal":"3","NoteData":"2020-10-02","Type":"Other","Title":"Modified"}]}}}