CVE-2008-4963 json
Unspecified vulnerability in the VLAN Trunking Protocol (VTP) implementation on Cisco IOS and CatOS, when the VTP operating mode is not tra…
published 2008-11-06 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4942
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Technology feeds
References
-
cisco.com
/en/US/products/products_security_response09186a0080a231cf.html
vendor-advisory
-
secunia.com
/advisories/32573
third-party-advisory, vendor-advisory
-
securitytracker.com
/id?1021143
vdb-entry
-
securitytracker.com
/id?1021144
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/46346
vdb-entry
-
securityfocus.com
/bid/32120
vdb-entry
-
osvdb.org
/49601
vdb-entry
Sources
- CVE List CVE-2008-4963
- NVD CVE-2008-4963
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