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CVE-2009-0634

19
FAUCET Score

CVE-2009-0634 describes multiple unspecified vulnerabilities within the Mobile IP NAT Traversal and Mobile IPv6 implementations of Cisco IOS versions 12.3 through 12.4. A remote attacker can exploit these flaws by sending a specially crafted ICMP packet, leading to a denial of service through an input queue wedge and interface outage. With a CVSS score of 7.1, this vulnerability is considered highly severe due to its potential for complete system unavailability, though it requires medium attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3CPE matchmatch criteria
cpe:2.3:o:cisco:cisco_ios:12.3:*:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:cisco:cisco_ios:12.3:b:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:cisco:cisco_ios:12.3:bc:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:cisco:cisco_ios:12.3:bw:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:cisco:cisco_ios:12.3:eu:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.83%
Probability of exploitation in next 30 days
EPSS Percentile
85.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0283 is in the 43rd percentile among its peer group of 8,914 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/34438
Vendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/49424
exchange.xforce.ibmcloud.com / vulnerabilities/49585
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12043
cisco.com / en/US/products/products_security_advisory09186a0080a9042f.shtml
Vendor Advisory
cisco.com / en/US/products/products_security_advisory09186a0080a90469.shtml
Vendor Advisory
securityfocus.com / bid/34241
vupen.com / english/advisories/2009/0851
Vendor Advisory