Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command
Published Aug 20, 2007
5.0
MEDIUMCVSS 2.0
EPSS 13.28%
Description
Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.
Affected products
No data.
- n/a
- n/a
- 12.1
- 12.2
- n/a
- 10.0
- 10.3
- 11.0
- 11.1
- 11.2
- 12.0
- 12.1
- 12.2
- 12.3
- 12.4
- n/a
- 2.0
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.28% (0.13281) | 96.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.28% (0.13281) | 95.88th | v5 (v2026.06.15) |
| Dec 28, 2025 | 26.23% (0.26234) | 96.13th | v4 (v2025.03.14) |
| Dec 27, 2025 | 19.72% (0.19718) | 95.27th | v4 (v2025.03.14) |
| Dec 26, 2025 | 26.23% (0.26234) | 96.13th | v4 (v2025.03.14) |
| Jul 30, 2025 | 19.90% (0.19904) | 95.22th | v4 (v2025.03.14) |
| Jul 27, 2025 | 16.45% (0.16448) | 94.58th | v4 (v2025.03.14) |
| Mar 30, 2025 | 12.80% (0.12805) | 93.40th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.51% (0.17509) | 91.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.80% (0.12805) | 93.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.51% (0.02510) | 90.52th | v3 (v2023.03.01) |
| Jun 23, 2024 | 2.51% (0.02510) | 90.21th | v3 (v2023.03.01) |
| May 16, 2024 | 2.35% (0.02348) | 89.75th | v3 (v2023.03.01) |
| Jan 22, 2024 | 1.87% (0.01867) | 87.11th | v3 (v2023.03.01) |
| Apr 5, 2023 | 2.02% (0.02022) | 87.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.51% (0.02515) | 88.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
References (9)
- http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=WAN%2C%20Routing%20and%20Switching&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9 x_refsource_MISC
- http://secunia.com/advisories/26798 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.cisco.com/en/US/products/products_security_response09186a00808bb91c.html vendor-advisoryx_refsource_CISCO
- http://www.heise-security.co.uk/news/94526/ x_refsource_MISC
- http://www.securityfocus.com/bid/25352 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018685 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/3136 vdb-entryx_refsource_VUPENVendor Advisory
- https://puck.nether.net/pipermail/cisco-nsp/2007-August/043002.html mailing-listx_refsource_MLIST
- https://puck.nether.net/pipermail/cisco-nsp/2007-August/043010.html mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=WAN%2C%20Routing%20and%20Switching&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9 | x_refsource_MISC | |
| http://secunia.com/advisories/26798 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.cisco.com/en/US/products/products_security_response09186a00808bb91c.html | vendor-advisoryx_refsource_CISCO | |
| http://www.heise-security.co.uk/news/94526/ | x_refsource_MISC | |
| http://www.securityfocus.com/bid/25352 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018685 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/3136 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://puck.nether.net/pipermail/cisco-nsp/2007-August/043002.html | mailing-listx_refsource_MLIST | |
| https://puck.nether.net/pipermail/cisco-nsp/2007-August/043010.html | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.