CVE-2012-5424
Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by…
Does this matter?
Lower severity and a low EPSS score (2.45%). Track it; it rarely justifies an emergency change on its own.
Description
Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by sending a valid username and a crafted password string, aka Bug ID CSCuc65634.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 2.45% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/secure access control server
- Source
- psirt@cisco.com
EPSS 2.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://osvdb.org/87251
- http://secunia.com/advisories/51194
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121107-acsVendor Advisory
- http://www.securityfocus.com/bid/56433
- http://www.securitytracker.com/id?1027733
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79860
- http://osvdb.org/87251
- http://secunia.com/advisories/51194
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121107-acsVendor Advisory
- http://www.securityfocus.com/bid/56433
- http://www.securitytracker.com/id?1027733
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79860
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.