CVE-2004-1461
Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cisco Secure Access Control Server (ACS) 3.2(3) and earlier spawns a separate unauthenticated TCP connection on a random port when a user authenticates to the ACS GUI, which allows remote attackers to bypass authentication by connecting to that port from the same IP address.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.68% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- cisco/secure access control server · cisco/secure acs solution engine
- Source
- cve@mitre.org
EPSS 1.7% 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://www.cisco.com/warp/public/707/cisco-sa-20040825-acs.shtmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/11047
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17118
- http://www.cisco.com/warp/public/707/cisco-sa-20040825-acs.shtmlPatch, Vendor Advisory
- http://www.securityfocus.com/bid/11047
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17118
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.