CVE-2006-4775

Home/CVE/The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of se

CVE

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of se

The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.

HIGH · CVSS 7.8 EPSS 0.06347

Schedule remediation

EPSS percentile: top 9% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

cisco iosall versions

cisco catosall versions

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Scoring & Timeline

7.8

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Published to NVD14 Sep 2006 · 12:07 AM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://secunia.com/advisories/21896Vendor Advisory

http://secunia.com/advisories/21902Vendor Advisory

http://securitytracker.com/id?1016843

http://www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtmlPatch

http://www.kb.cert.org/vuls/id/175148US Government Resource

http://www.osvdb.org/28776

Show all 12 references

http://www.phenoelit.de/stuff/CiscoVTP.txt

http://www.securityfocus.com/archive/1/445896/100/0/threaded

http://www.securityfocus.com/archive/1/445938/100/0/threaded

http://www.securityfocus.com/bid/19998

http://www.vupen.com/english/advisories/2006/3600Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/28925

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