CVE-2009-4912

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-06-29 · updated 2026-06-16
Weakness: CWE-264

Description

Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) complete an SSL handshake with an HTTPS client even if this client is unauthorized, which might allow remote attackers to bypass intended access restrictions via an HTTPS session, aka Bug ID CSCso10876.

Affected products

Cisco Asa 5580: through 8.1\(1\)

References

http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html
http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html

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