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
Published Feb 13, 2005
7.5
HIGHCVSS 2.0
EPSS 1.68%
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.
Affected products
No data.
- 3.0
- 3.1
- 3.2
- 3.2
- 3.2\(1\)
- 3.2\(2\)
- 3.2\(3\)
- 3.3
- 3.3\(1\)
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01679) | 76.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01679) | 73.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.62% (0.00624) | 68.37th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00386) | 73.98th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00386) | 72.41th | v3 (v2023.03.01) |
| Jan 21, 2024 | 0.39% (0.00386) | 70.38th | v3 (v2023.03.01) |
| Jun 5, 2023 | 0.48% (0.00482) | 72.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.92% (0.01920) | 86.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.cisco.com/warp/public/707/cisco-sa-20040825-acs.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.securityfocus.com/bid/11047 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17118 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/warp/public/707/cisco-sa-20040825-acs.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.securityfocus.com/bid/11047 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/17118 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.