CVE-2015-4288

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-07-29 · updated 2026-06-17
Weakness: CWE-310

Description

The LDAP implementation on the Cisco Web Security Appliance (WSA) 8.5.0-000, Email Security Appliance (ESA) 8.5.7-042, and Content Security Management Appliance (SMA) 8.3.6-048 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate, aka Bug IDs CSCuo29561, CSCuv40466, and CSCuv40470.

Affected products

Cisco Content Security Management Appliance (SMA): 8.3.6-048
Cisco Email Security Appliance (ESA): 8.5.7-042
Cisco Web Security Appliance (WSA): 8.5.0-000

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=40137
http://tools.cisco.com/security/center/viewAlert.x?alertId=40137

Get alerted when CVE-2015-4288 or the next vulnerability affects your stack