How severe is CVE-2021-25215?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2021-25215?

This is classified as CWE-617, which is a common weakness in software security.

CVE-2021-25215 - HIGH Severity | CVSS 7.5

Vulnerability Description

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 vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

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