CVE-2009-0633

CVE-2009-0633 is a high-severity vulnerability in Cisco Cisco Ios with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 2.0 base score 7.1)
• EPSS exploit prediction: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Cisco Cisco Ios
• Published: 2009-03-27
• Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in the (1) Mobile IP NAT Traversal feature and (2) Mobile IPv6 subsystem in Cisco IOS 12.3 through 12.4 allow remote attackers to cause a denial of service (input queue wedge and interface outage) via MIPv6 packets, aka Bug ID CSCsm97220.

Frequently asked questions

What is CVE-2009-0633?

Multiple unspecified vulnerabilities in the (1) Mobile IP NAT Traversal feature and (2) Mobile IPv6 subsystem in Cisco IOS 12.3 through 12.4 allow remote attackers to cause a denial of service (input queue wedge and interface outage) via MIPv6 packets, aka Bug ID CSCsm97220.

How severe is CVE-2009-0633?

CVE-2009-0633 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2009-0633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0633?

CVE-2009-0633 primarily affects Cisco Cisco Ios. In total, 67 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0633?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-0633 published?

CVE-2009-0633 was published on 2009-03-27 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/34438
• http://securitytracker.com/id?1021898
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a9042f.shtml
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
• http://www.securityfocus.com/bid/34241
• http://www.vupen.com/english/advisories/2009/0851
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49424
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12290

Affected products (67)

• cpe:2.3:o:cisco:cisco_ios:12.3:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:b:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:bc:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:bw:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:eu:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:ja:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jea:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jeb:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jec:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jk:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jl:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:jx:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:t:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:tpc:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:va:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xa:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xb:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xc:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xd:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xe:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xf:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xg:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xh:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xi:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xj:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xk:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xq:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xr:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xs:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xu:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xw:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:xy:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:ya:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yd:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yf:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yg:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yh:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yi:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yj:*:*:*:*:*:*
• cpe:2.3:o:cisco:cisco_ios:12.3:yk:*:*:*:*:*:*

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