VULNERABILITY INTELLIGENCE
CVE-2009-0591
CVSS score2.6 LOW
EPSS probability2.73%
CISA KEVNot currently listed
Published2009-03-27
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:N/I:P/A:N
Description
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Weakness classification
- CWE-287: Improper Authentication