Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests
Published Sep 1, 2004
5.0
MEDIUMCVSS 2.0
EPSS 10.30%
Description
Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.
Affected products
No data.
- n/a
- 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:N/I:N/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 | 10.30% (0.10301) | 95.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 10.30% (0.10301) | 95.09th | v5 (v2026.06.15) |
| Jul 27, 2025 | 16.08% (0.16076) | 94.49th | v4 (v2025.03.14) |
| Mar 30, 2025 | 23.46% (0.23464) | 95.50th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.67% (0.28674) | 94.51th | v4 (v2025.03.14) |
| Mar 17, 2025 | 23.46% (0.23464) | 95.52th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.32% (0.01324) | 85.69th | v3 (v2023.03.01) |
| Aug 9, 2023 | 2.37% (0.02366) | 88.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.72% (0.02722) | 88.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.19% (0.04187) | 87.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.19% (0.04187) | 86.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.19% (0.04187) | 69.86th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- http://marc.info/?l=bugtraq&m=98658271707833&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.cisco.com/warp/public/707/pixfirewall-authen-flood-pub.shtml vendor-advisoryx_refsource_CISCO
- http://www.securityfocus.com/bid/2551 vdb-entryx_refsource_BIDExploitPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6353 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=98658271707833&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.cisco.com/warp/public/707/pixfirewall-authen-flood-pub.shtml | vendor-advisoryx_refsource_CISCO | |
| http://www.securityfocus.com/bid/2551 | vdb-entryx_refsource_BIDExploitPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6353 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.