Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches allows remote attackers to cause a denial of service (device reboot) via a crafted Subset-Advert message packet, a different issue than CVE-2006-4774, CVE-2006-4775, and CVE-2006-4776
Published Jan 31, 2007
6.1
MEDIUMCVSS 2.0
EPSS 0.99%
Description
Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches allows remote attackers to cause a denial of service (device reboot) via a crafted Subset-Advert message packet, a different issue than CVE-2006-4774, CVE-2006-4775, and CVE-2006-4776.
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:A/AC:L/Au:N/C:N/I:N/A:C
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 | 0.99% (0.00992) | 61.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.97% (0.00970) | 57.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.07% (0.01069) | 76.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.73% (0.01726) | 88.37th | v3 (v2023.03.01) |
| Jan 12, 2024 | 1.73% (0.01726) | 86.52th | v3 (v2023.03.01) |
| Oct 28, 2023 | 1.52% (0.01521) | 85.60th | v3 (v2023.03.01) |
| Sep 20, 2023 | 1.60% (0.01598) | 85.85th | v3 (v2023.03.01) |
| Jul 5, 2023 | 1.54% (0.01542) | 85.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.44% (0.01443) | 84.54th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://osvdb.org/33013 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/23892 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1017568 vdb-entryx_refsource_SECTRACK
- http://www.blackhat.com/html/bh-europe-05/bh-eu-05-speakers.html#Berrueta x_refsource_MISC
- http://www.cisco.com/en/US/products/products_security_response09186a00807d1a81.html vendor-advisoryx_refsource_CISCO
- http://www.s21sec.com/en/avisos/s21sec-034-en.txt x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/archive/1/458240/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/458554/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/22268 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/0414 vdb-entryx_refsource_VUPEN
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5544 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/33013 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/23892 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/id?1017568 | vdb-entryx_refsource_SECTRACK | |
| http://www.blackhat.com/html/bh-europe-05/bh-eu-05-speakers.html#Berrueta | x_refsource_MISC | |
| http://www.cisco.com/en/US/products/products_security_response09186a00807d1a81.html | vendor-advisoryx_refsource_CISCO | |
| http://www.s21sec.com/en/avisos/s21sec-034-en.txt | x_refsource_MISCVendor Advisory | |
| http://www.securityfocus.com/archive/1/458240/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/458554/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/22268 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/0414 | vdb-entryx_refsource_VUPEN | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5544 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.