CVE-2025-40780

{"id": "CVE-2025-40780", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "security-officer@isc.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "published": "2025-10-22T16:15:42.720", "references": [{"url": "https://kb.isc.org/docs/cve-2025-40780", "source": "security-officer@isc.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-officer@isc.org", "description": [{"lang": "en", "value": "CWE-341"}]}], "descriptions": [{"lang": "en", "value": "In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use.\nThis issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.16.8-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1."}], "lastModified": "2025-10-22T21:12:32.330", "sourceIdentifier": "security-officer@isc.org"}