Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a denial of service via port scans such as (1) scanning all ports on a single host and (2) scanning a network of hosts for a single open port through the router
Published Jul 14, 2005
5.0
MEDIUMCVSS 2.0
EPSS 1.59%
Description
Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a denial of service via port scans such as (1) scanning all ports on a single host and (2) scanning a network of hosts for a single open port through the router. NOTE: the vendor could not reproduce this issue, saying that the original reporter was using an interim release of the software.
Affected products
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.59% (0.01591) | 74.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.59% (0.01591) | 72.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.76% (0.00763) | 71.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.97% (0.00972) | 84.04th | v3 (v2023.03.01) |
| May 24, 2024 | 0.47% (0.00473) | 75.65th | v3 (v2023.03.01) |
| May 10, 2024 | 0.40% (0.00398) | 73.37th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.34% (0.00336) | 70.93th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.24% (0.00243) | 63.61th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.22% (0.00220) | 59.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.06% (0.01057) | 81.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0027.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2002-06/0050.html mailing-listx_refsource_BUGTRAQ
- http://www.iss.net/security_center/static/9281.php vdb-entryx_refsource_XF
- http://www.securityfocus.com/bid/4947 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2002-06/0027.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2002-06/0050.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.iss.net/security_center/static/9281.php | vdb-entryx_refsource_XF | |
| http://www.securityfocus.com/bid/4947 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.