Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not transparent, allows remote attackers to cause a denial of service (device reload or hang) via a crafted VTP packet sent to a switch interface configured as a trunk port
Published Nov 6, 2008
7.1
HIGHCVSS 2.0
EPSS 1.68%
Description
Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not transparent, allows remote attackers to cause a denial of service (device reload or hang) via a crafted VTP packet sent to a switch interface configured as a trunk port.
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:M/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01684) | 76.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01684) | 73.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.16% (0.01160) | 77.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.30% (0.02304) | 90.09th | v3 (v2023.03.01) |
| Mar 5, 2024 | 2.13% (0.02133) | 88.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.98% (0.01978) | 86.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://osvdb.org/49601 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/32573 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1021143 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_response09186a0080a231cf.html vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/32120 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1021144 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46346 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/49601 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/32573 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1021143 | vdb-entryx_refsource_SECTRACK | |
| http://www.cisco.com/en/US/products/products_security_response09186a0080a231cf.html | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/32120 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1021144 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/46346 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.