CVE-2007-4430
Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-4430- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-4430- Updated
- 2026-11-02
EUVDEUVD-2007-4413 No score
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.
- Record
EUVD-2007-4413- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xw39-hmhj-f95j No score
Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to...
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.
- Record
GHSA-xw39-hmhj-f95j- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cisco IOS 12.3 - Show IP BGP Regexp Remote Denial of Service | 2007-08-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, exploits, facts, references, title | Exploit-DB, GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4430 is a medium vulnerability (CVSS 5.0) in Cisco Ios, published August 20, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.3%, the 96th percentile. No source names a fixed version.
References
secunia.com/advisories/26798
securityfocus.com/bid/25352
securitytracker.com/id?1018685
puck.nether.net/pipermail/cisco-nsp/2007-August/043002.html
heise-security.co.uk/news/94526
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forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Network%20Infrastructure&topic=WAN%2C%20Routing%20and%20Switching&CommCmd=MB%3Fcmd%3Ddisplay_location%26location%3D.1ddf7bc9
cisco.com/en/US/products/products_security_response09186a00808bb91c.html
vupen.com/english/advisories/2007/3136
nvd.nist.gov/vuln/detail/CVE-2007-4430
github.com/advisories/GHSA-xw39-hmhj-f95j