CVE-2013-5509

Description

The SSL implementation in Cisco Adaptive Security Appliance (ASA) Software 9.0 before 9.0(2.6) and 9.1 before 9.1(2) allows remote attackers to bypass authentication, and obtain VPN access or administrative access, via a crafted X.509 client certificate, aka Bug ID CSCuf52468.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.57% Top 20%
Vendor Advisory cisco.com Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5509 vendor advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-asa vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-5509?
CVE-2013-5509 has been scored as a critical severity vulnerability.
How to fix CVE-2013-5509?
To fix CVE-2013-5509, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-5509 being actively exploited in the wild?
It is possible that CVE-2013-5509 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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