CVE-2009-3602

HighCVSS 7.5/10Last modified Jun 16, 2026

Description

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-310

Affected software

No affected versions have been published.

Timeline

Published: Oct 13, 2009
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2009

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