Vulnerability Monitor

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CVE-2011-3281

Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.

Security Impact Summary

CVE-2011-3281 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-10-03T23:55:03.987

Last Modified

2025-04-11T00:51:21.963

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	15.0	Yes
Operating System	cisco	ios	15.0m	Yes
Operating System	cisco	ios	15.0sg	Yes
Operating System	cisco	ios	15.0xa	Yes
Operating System	cisco	ios	15.0xo	Yes
Operating System	cisco	ios	15.1	Yes
Operating System	cisco	ios	15.1gc	Yes
Operating System	cisco	ios	15.1m	Yes
Operating System	cisco	ios	15.1s	Yes
Operating System	cisco	ios	15.1t	Yes
Operating System	cisco	ios	15.1xb	Yes

References

http://tools.cisco.com/security/center/viewAlert.x?alertId=24124 ([email protected])
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=24124 (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d57.shtml Vendor Advisory (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.