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Vulnerability Details : 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 development branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.
Publish Date : 2021-04-29 Last Update Date : 2021-05-21
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s)
CWE ID 617

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:3325: bind security update (Moderate) oval:com.redhat.rhsa:def:20213325 unix
RHSA-2021:4384: bind security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20214384 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-25214

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
5 Application ISC Bind * * * * Version Details Vulnerabilities
6 Application ISC Bind 9.9.3 S1 * * Version Details Vulnerabilities
7 Application ISC Bind 9.9.12 S1 * * Version Details Vulnerabilities
8 Application ISC Bind 9.9.13 S1 * * Version Details Vulnerabilities
9 Application ISC Bind 9.10.5 S1 * * Version Details Vulnerabilities
10 Application ISC Bind 9.10.7 S1 * * Version Details Vulnerabilities
11 Application ISC Bind 9.11.3 S1 * * Version Details Vulnerabilities
12 Application ISC Bind 9.11.5 S3 * * Version Details Vulnerabilities
13 Application ISC Bind 9.11.5 S5 * * Version Details Vulnerabilities
14 Application ISC Bind 9.11.5 S6 * * Version Details Vulnerabilities
15 Application ISC Bind 9.11.6 S1 * * Version Details Vulnerabilities
16 Application ISC Bind 9.11.7 S1 * * Version Details Vulnerabilities
17 Application ISC Bind 9.11.8 S1 * * Version Details Vulnerabilities
18 Application ISC Bind 9.11.12 S1 * * Version Details Vulnerabilities
19 Application ISC Bind 9.11.21 S1 * * Version Details Vulnerabilities
20 Application ISC Bind 9.11.27 S1 * * Version Details Vulnerabilities
21 Application ISC Bind 9.11.29 S1 * * Version Details Vulnerabilities
22 Application ISC Bind 9.16.8 S1 * * Version Details Vulnerabilities
23 Application ISC Bind 9.16.11 S1 * * Version Details Vulnerabilities
24 Application ISC Bind 9.16.13 S1 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Fedoraproject Fedora 2
ISC Bind 20

- References For CVE-2021-25214 CONFIRM
MLIST [oss-security] 20210428 ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)
MLIST [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)
MLIST [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)
MLIST [oss-security] 20210429 Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)[email protected]/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
MLIST [debian-lts-announce] 20210504 [SECURITY] [DLA 2647-1] bind9 security update[email protected]/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
FEDORA FEDORA-2021-47f23870ec

- Metasploit Modules Related To CVE-2021-25214

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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