CVE-2007-0648

CVE-2007-0648 is a high-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 7.8. 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 7.8)
• EPSS exploit prediction: 4% (88th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Cisco Ios
• Published: 2007-02-01
• Last modified: 2026-06-16

Description

Cisco IOS after 12.3(14)T, 12.3(8)YC1, 12.3(8)YG, and 12.4, with voice support and without Session Initiated Protocol (SIP) configured, allows remote attackers to cause a denial of service (crash) by sending a crafted packet to port 5060/UDP.

Frequently asked questions

What is CVE-2007-0648?

Cisco IOS after 12.3(14)T, 12.3(8)YC1, 12.3(8)YG, and 12.4, with voice support and without Session Initiated Protocol (SIP) configured, allows remote attackers to cause a denial of service (crash) by sending a crafted packet to port 5060/UDP.

How severe is CVE-2007-0648?

CVE-2007-0648 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-0648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0648?

CVE-2007-0648 primarily affects Cisco Ios. In total, 53 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0648?

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-2007-0648 published?

CVE-2007-0648 was published on 2007-02-01 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/23978
• http://securitytracker.com/id?1017575
• http://www.cisco.com/warp/public/707/cisco-air-20070131-sip.shtml
• http://www.cisco.com/warp/public/707/cisco-sa-20070131-sip.shtml
• http://www.kb.cert.org/vuls/id/438176
• http://www.securityfocus.com/bid/22330
• http://www.vupen.com/english/advisories/2007/0428
• https://exchange.xforce.ibmcloud.com/vulnerabilities/31990
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5138

Affected products (53)

• cpe:2.3:o:cisco:ios:12.3\(14\)t:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3\(14\)t2:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3\(14\)t4:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3\(14\)t5:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yg:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yk:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3ym:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yq:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yt:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yu:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3yx:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(1\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(1b\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(1c\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)mr:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)mr1:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)t:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)t1:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)t2:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)t3:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)t4:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)xa:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)xb:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(2\)xb2:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(3\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(3\)t2:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(3a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(3b\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(3d\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(4\)mr:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(4\)t:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(4\)t2:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(5\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(5b\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(6\)t:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(6\)t1:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(7\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(7a\):*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.4\(8\):*:*:*:*:*:*:*

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