High severity · published Aug 18, 2021
CVE-2021-25218
In BIND 9.16.19, 9.17.16
7.5
CVSS
3.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bind · Isc
9.16.19; 9.17.16; 9.17.16 · source: NVD
FE
Fedora · Fedoraproject
34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25218
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25218
Mailing List
http://www.openwall.com/lists/oss-security/2021/08/18/3
Mailing List
http://www.openwall.com/lists/oss-security/2021/08/20/2
Exploit
https://kb.isc.org/v1/docs/cve-2021-25218
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPJCLGSR4BTGFLBLGIE5TEQP2SNJKGVL/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210909-0002/
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