Vulnerability in Isc Bind9
CVE-2021-25214
In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 developme…
EPSS: 0.008 (73.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Isc Bind9 — versions Open Source Branch 9.8 9.8.5 through 9.8.8, Open Source Branches 9.9 through 9.11 9.9.3 through versions before 9.11.30, Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14
Public proof-of-concept exploits
References
- kb.isc.org/v1/docs/cve-2021-25214 (x_refsource_CONFIRM)
- [oss-security] 20210428 ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) (mailing-list, x_refsource_MLIST)
- [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) (mailing-list, x_refsource_MLIST)
- [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) (mailing-list, x_refsource_MLIST)
- [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216) (mailing-list, x_refsource_MLIST)
- DSA-4909 (vendor-advisory, x_refsource_DEBIAN)
- [debian-lts-announce] 20210504 [SECURITY] [DLA 2647-1] bind9 security update (mailing-list, x_refsource_MLIST)
- FEDORA-2021-ace61cbee1 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-47f23870ec (vendor-advisory, x_refsource_FEDORA)
- security.netapp.com/advisory/ntap-20210521-0006/ (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-25214?
- CVE-2021-25214 is a medium-severity vulnerability in Isc Bind9. CVSS score: 6.5/10. Published 2021-04-29.
- How severe is CVE-2021-25214?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-25214 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.