CVE-2007-4430 describes an unspecified vulnerability in Cisco IOS versions 12.0 through 12.4, affecting various Cisco products including IOS, IOS XR, and CLI. This flaw allows unauthenticated attackers to trigger a denial of service, specifically a device restart and BGP routing table rebuild, by using certain regular expressions within a "show ip bgp regexp" command, particularly in environments with anonymous Telnet or Looking Glass access. With a CVSS score of 5.0 and a FAUCET Risk Score of 94/100, this vulnerability is considered moderately severe due to its unauthenticated remote attack vector and potential for service disruption. While not listed in CISA's KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:cisco:cli:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:cisco:cbos:*:*:*:*:*:*:*:* | ||
12.1CPE matchmatch criteria | cpe:2.3:o:cisco:cbos:12.1:*:*:*:*:*:*:* | ||
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:cbos:12.2:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:cisco:ids:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.