Vulnerability in Isc Bind
CVE-2021-25218
In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.036 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Isc Bind — versions 9.16.19, 9.17.16
- Isc Bind9 — versions Stable Branch 9.16.19, Development Branch 9.17.16, Supported Preview Edition 9.16.19-S1
- Fedoraproject Fedora — versions 34
Weakness classification (CWE)
References
- kb.isc.org/v1/docs/cve-2021-25218 (Exploit, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/08/18/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/08/20/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20210909-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25218?
- CVE-2021-25218 is a high-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2021-08-18.
- How severe is CVE-2021-25218?
- High severity. CVSS v3 base score is 7.5 out of 10.