VULNERABILITY INTELLIGENCE
CVE-2021-25220
CVSS score6.8 MEDIUM
EPSS probability3.45%
CISA KEVNot currently listed
Published2022-03-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Description
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions - are also believed to be affected but have not been tested as they are EOL. The cache could become poisoned with incorrect records leading to queries being made to the wrong servers, which might also result in false information being returned to clients.
Weakness classification
- nvd@nist.gov: CWE-444
Primary references
- security-officer@isc.org — Patch, Third Party Advisory
- security-officer@isc.org — Mitigation, Vendor Advisory
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org — Third Party Advisory
- security-officer@isc.org
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory