Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2021-25220

Public on 2022-03-23
Modified on 2024-01-30
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.

Severity
Medium
See what this means
CVSS v3 Base Score
6.8
See breakdown
Continue reading

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core bind 2023-03-17 16:35 ALAS2-2023-2001
Amazon Linux 2023 bind 2023-02-17 20:42 ALAS2023-2023-010

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N
NVD CVSSv3 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

References

Red Hat: CVE-2021-25220 Mitre: CVE-2021-25220 FAQs regarding Amazon Linux ALAS/CVE Severity