01 Record
CVE-2006-4776
Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2006-09-14 00:00Z20 YR AGO
- Last updated
- 2024-08-07 19:23Z2 YR AGO
- Reserved
- 2006-09-13
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- cd2e33dfdb41ffc269f97de7b01dd6ce7b899aacaba49ca1effba9594d268e32
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.kb.cert.orgVU#542108http://www.kb.cert.org/vuls/id/542108
- www.vupen.comADV-2006-3601http://www.vupen.com/english/advisories/2006/3601
- www.phenoelit.dehttp://www.phenoelit.de/stuff/CiscoVTP.txt
- secunia.com21896http://secunia.com/advisories/21896
- www.securityfocus.com19998http://www.securityfocus.com/bid/19998
- www.cisco.com20060913 Cisco VLAN Trunking Protocol Vulnerabilitieshttp://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml
- securitytracker.com1016843http://securitytracker.com/id?1016843
- www.securityfocus.com20060913 Re: Cisco IOS VTP issueshttp://www.securityfocus.com/archive/1/445938/100/0/threaded
- www.osvdb.org28777http://www.osvdb.org/28777
- exchange.xforce.ibmcloud.comcisco-ios-vtp-vlan-name-bo(28927)https://exchange.xforce.ibmcloud.com/vulnerabilities/28927
- www.vupen.comADV-2006-3600http://www.vupen.com/english/advisories/2006/3600
- www.securityfocus.com20060913 Cisco IOS VTP issueshttp://www.securityfocus.com/archive/1/445896/100/0/threaded