Home/CVE/Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service
CVE

CVE-2007-4430

Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service

Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthenticated remote attacks are possible in environments with anonymous telnet and Looking Glass access.

MEDIUM · CVSS 5 EPSS 0.26968
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

5
cisco cliall versions
cisco cbosall versions
cisco idsall versions
cisco iosall versions
cisco ios xrall versions
⚠

Public Exploits & PoCs

1
dosCisco IOS 12.3 - Show IP BGP Regexp Remote Denial of Serviceverified
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Scoring & Timeline

5
MEDIUM · 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:P
Published to NVD20 Aug 2007 · 07:17 PM
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network
http://secunia.com/advisories/26798Vendor Advisory
http://www.cisco.com/en/US/products/products_security_response09186a00808bb91c.html
http://www.heise-security.co.uk/news/94526/
http://www.securityfocus.com/bid/25352
http://www.securitytracker.com/id?1018685
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