CVE-2013-5509
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 2.27% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- cisco/adaptive security appliance software
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-asaVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5509Vendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-asaVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5509Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.