CVE-2022-2795 MEDIUM

CVE-2022-2795: Processing large delegations may severely degrade resolver performance

Vendor Isc
Product BIND9
Published September 21, 2022
Last update November 29, 2024

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.

Key dates

02Disclosure timeline

September 21, 2022 CVE published
November 29, 2024 Record updated