Vulnerability in Isc Bind9
CVE-2021-25215
In BIND 9.0.0 -> 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 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a…
EPSS: 0.015 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Isc Bind9 — versions Open Source Branches 9.0 through 9.11 9.0.0 through versions before 9.11.30, Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14, Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions before 9.11.30-S1
Public proof-of-concept exploits
References
- kb.isc.org/v1/docs/cve-2021-25215 (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)
- www.oracle.com/security-alerts/cpuoct2021.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-25215?
- CVE-2021-25215 is a high-severity vulnerability in Isc Bind9. CVSS score: 7.5/10. Published 2021-04-29.
- How severe is CVE-2021-25215?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-25215 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.