CVE-2013-5606
nss: CERT_VerifyCert returns SECSuccess (saying certificate is good) even for bad certificates (MFSA 2013-103)
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 19, 2013
Updated · June 27, 2026
Description
The CERT_VerifyCert function in lib/certhigh/certvfy.c in Mozilla Network Security Services (NSS) 3.15 before 3.15.3 provides an unexpected return value for an incompatible key-usage certificate when the CERTVerifyLog argument is valid, which might allow remote attackers to bypass intended access restrictions via a crafted certificate.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE not specified