The Cisco Content Services Switch (CSS) 11500 with software 08.20.1.01 conveys authentication data through ClientCert-* headers but does not delete client-supplied ClientCert-* headers, which might allow remote attackers to bypass authentication via crafted header data, as demonstrated by a ClientCert-Subject-CN header, aka Bug ID CSCsz04690.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| n/a n/a | — | not specified | advisory ↗ |