Vulnerability Monitor

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CVE-2008-2739

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.

Security Impact Summary

CVE-2008-2739 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2008-09-26T16:21:43.957

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	12.3t	Yes
Operating System	cisco	ios	12.3xl	Yes
Operating System	cisco	ios	12.3xq	Yes
Operating System	cisco	ios	12.3xr	Yes
Operating System	cisco	ios	12.3xs	Yes
Operating System	cisco	ios	12.3xx	Yes
Operating System	cisco	ios	12.3ya	Yes
Operating System	cisco	ios	12.3yd	Yes
Operating System	cisco	ios	12.3yg	Yes
Operating System	cisco	ios	12.3yh	Yes
Operating System	cisco	ios	12.3yi	Yes
Operating System	cisco	ios	12.3yk	Yes
Operating System	cisco	ios	12.3ys	Yes
Operating System	cisco	ios	12.3yt	Yes
Operating System	cisco	ios	12.3za	Yes
Operating System	cisco	ios	12.4xa	Yes
Operating System	cisco	ios	12.4xc	Yes
Operating System	cisco	ios	12.4xe	Yes
Operating System	cisco	ios	12.4xf	Yes
Operating System	cisco	ios	12.4xj	Yes
Operating System	cisco	ios	12.4xk	Yes
Operating System	cisco	ios	12.4xt	Yes
Operating System	cisco	ios	12.4xv	Yes

References

http://secunia.com/advisories/31990 Third Party Advisory ([email protected])
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml Vendor Advisory ([email protected])
http://www.vupen.com/english/advisories/2008/2670 Permissions Required, Third Party Advisory ([email protected])
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6058 Broken Link ([email protected])
http://secunia.com/advisories/31990 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01556.shtml Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2008/2670 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6058 Broken Link (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.