Vulnerability in Cisco Catos
CVE-2006-4775
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.051 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.051 · change: +0.001
Affected products
- Cisco Catos
- Cisco iOS — versions 12.1\(19\), 12.1(19)
Weakness classification (CWE)
References
- www.phenoelit.de/stuff/CiscoVTP.txt
- secunia.com/advisories/21896 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/19998 (vdb-entry)
- www.osvdb.org/28776 (vdb-entry)
- www.cisco.com/warp/public/707/cisco-sr-20060913-vtp.shtml (vendor-advisory, Patch)
- securitytracker.com/id (vdb-entry)
- www.securityfocus.com/archive/1/445938/100/0/threaded (mailing-list)
- www.vupen.com/english/advisories/2006/3600 (vdb-entry, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/28925 (vdb-entry)
- www.kb.cert.org/vuls/id/175148 (US Government Resource, third-party-advisory)