Is CVE-2021-25218 actively exploited?

CVE-2021-25218 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-25218?

CVE-2021-25218 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-25218?

Patch guidance is available from isc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-25218.

Fix CVE-2021-25218 - HIGH isc bind

Q: Which products are affected by CVE-2021-25218?

4 products: isc bind, isc bind, isc bind, fedoraproject fedora.

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 Metrics

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 Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-617

Metadata

Primary Vendor: ISC
Published: 8/18/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-25218

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary