CVE-2008-2739

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-09-26 · updated 2026-06-16

Description

The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.

Affected products

Cisco IOS: 12.3t, 12.3xl, 12.3xq, 12.3xr, 12.3xs, 12.3xx (+17)

References

http://secunia.com/advisories/31990
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml
http://www.vupen.com/english/advisories/2008/2670
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6058
http://secunia.com/advisories/31990
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml
http://www.vupen.com/english/advisories/2008/2670
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6058

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