CVE-2015-3455
squid: incorrect X509 server certificate validation (SQUID-2015:1)
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 1, 2015
Updated · June 27, 2026
Description
It was found that Squid configured with client-first SSL-bump did not correctly validate X.509 server certificate host name fields. A man-in-the-middle attacker could use this flaw to spoof a Squid server using a specially crafted X.509 certificate.
Statement
This issue did not affect the versions of squid as shipped with Red Hat Enterprise Linux 5 and 6.
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 · 5.8AV:N/AC:M/Au:N/C:P/I:P/A:N
CWE-295 · Improper Certificate Validation