Vulnerability Monitor

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CVE-2009-4455

The default configuration of Cisco ASA 5500 Series Adaptive Security Appliance (Cisco ASA) 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2 allows portal traffic to access arbitrary backend servers, which might allow remote authenticated users to bypass intended access restrictions and access unauthorized web sites via a crafted URL obfuscated with ROT13 and a certain encoding. NOTE: this issue was originally reported as a vulnerability related to lack of restrictions to URLs listed in the Cisco WebVPN bookmark component, but the vendor states that "The bookmark feature is not a security feature."

Security Impact Summary

CVE-2009-4455 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, 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

2009-12-29T23:30:00.390

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	cisco	adaptive_security_appliance_5500	7.0	Yes
Hardware	cisco	adaptive_security_appliance_5500	7.1	Yes
Hardware	cisco	adaptive_security_appliance_5500	7.2	Yes
Hardware	cisco	adaptive_security_appliance_5500	8.0	Yes
Hardware	cisco	adaptive_security_appliance_5500	8.1	Yes
Hardware	cisco	adaptive_security_appliance_5500	8.2	Yes

References

http://osvdb.org/61132 ([email protected])
http://secunia.com/advisories/37710 Vendor Advisory ([email protected])
http://tools.cisco.com/security/center/viewAlert.x?alertId=19609 Vendor Advisory ([email protected])
http://www.securityfocus.com/archive/1/508530/100/0/threaded ([email protected])
http://www.securitytracker.com/id?1023368 ([email protected])
http://www.vupen.com/english/advisories/2009/3577 Vendor Advisory ([email protected])
http://osvdb.org/61132 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/37710 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/viewAlert.x?alertId=19609 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/508530/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1023368 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2009/3577 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.