{"id":"CVE-2025-30192","state":"PUBLISHED","title":"A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts","description":"An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries.\n\nThe updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers.\n\nThe most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled.","publishedAt":"2025-07-21T12:49:31.532Z","updatedAt":"2025-07-21T13:05:35.258Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"OX"},"assigner":"OX","products":["PowerDNS Recursor"],"affected":[{"vendor":"PowerDNS","product":"Recursor","packageName":"pdns-recursor","defaultStatus":"affected","versions":[{"version":"5.0.12","status":"unaffected","versionType":"semver"},{"version":"5.1.6","status":"unaffected","versionType":"semver"},{"version":"5.2.4","status":"unaffected","versionType":"semver"}],"collectionURL":"https://repo.powerdns.com/","modules":["resolver"],"programFiles":["lwres.cc"],"repo":"https://github.com/PowerDNS/pdns"}],"references":["https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-04.html"],"weaknesses":["CWE-345"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/30xxx/CVE-2025-30192.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-30192","state":"PUBLISHED","datePublished":"2025-07-21T12:49:31.532Z","dateUpdated":"2025-07-21T13:05:35.258Z","assignerShortName":"OX","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateReserved":"2025-03-18T08:39:46.884Z"},"containers":{"cna":{"title":"A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts","descriptions":[{"lang":"en","value":"An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries.\n\nThe updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers.\n\nThe most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled."}],"affected":[{"vendor":"PowerDNS","product":"Recursor","packageName":"pdns-recursor","defaultStatus":"affected","versions":[{"version":"5.0.12","status":"unaffected","versionType":"semver"},{"version":"5.1.6","status":"unaffected","versionType":"semver"},{"version":"5.2.4","status":"unaffected","versionType":"semver"}],"collectionURL":"https://repo.powerdns.com/","modules":["resolver"],"programFiles":["lwres.cc"],"repo":"https://github.com/PowerDNS/pdns"}],"references":[{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-04.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","description":"CWE-345 Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"OX","orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","dateUpdated":"2025-07-21T12:49:31.532Z"},"credits":[{"lang":"en","type":"finder","value":"Xiang Li of AOSP Lab Nankai University"}],"datePublic":"2025-05-21T14:00:00.000Z","source":{"advisory":"PowerDNS Security Advisory 2025-04","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-21T13:05:23.317665Z","id":"CVE-2025-30192","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-21T13:05:35.258Z"}}]}}}