Vulnerability Monitor

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CVE-2013-5663

The App-ID cache feature in Palo Alto Networks PAN-OS before 4.0.14, 4.1.x before 4.1.11, and 5.0.x before 5.0.2 allows remote attackers to bypass intended security policies via crafted requests that trigger invalid caching, as demonstrated by incorrect identification of HTTP traffic as SIP traffic, aka Ref ID 47195.

Security Impact Summary

CVE-2013-5663 is a security vulnerability that . Impacting 1 product from paloaltonetworks organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, 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

2013-08-31T17:55:03.650

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	paloaltonetworks	pan-os	≤ 4.0.8	Yes
Operating System	paloaltonetworks	pan-os	4.0.0	Yes
Operating System	paloaltonetworks	pan-os	4.0.1	Yes
Operating System	paloaltonetworks	pan-os	4.0.2	Yes
Operating System	paloaltonetworks	pan-os	4.0.3	Yes
Operating System	paloaltonetworks	pan-os	4.0.4	Yes
Operating System	paloaltonetworks	pan-os	4.0.5	Yes
Operating System	paloaltonetworks	pan-os	4.0.6	Yes
Operating System	paloaltonetworks	pan-os	4.0.7	Yes
Operating System	paloaltonetworks	pan-os	4.1.0	Yes
Operating System	paloaltonetworks	pan-os	4.1.1	Yes
Operating System	paloaltonetworks	pan-os	4.1.2	Yes
Operating System	paloaltonetworks	pan-os	4.1.3	Yes
Operating System	paloaltonetworks	pan-os	4.1.4	Yes
Operating System	paloaltonetworks	pan-os	4.1.5	Yes
Operating System	paloaltonetworks	pan-os	4.1.6	Yes
Operating System	paloaltonetworks	pan-os	4.1.7	Yes
Operating System	paloaltonetworks	pan-os	4.1.8	Yes
Operating System	paloaltonetworks	pan-os	4.1.8-h3	Yes
Operating System	paloaltonetworks	pan-os	4.1.9	Yes
Operating System	paloaltonetworks	pan-os	4.1.10	Yes
Operating System	paloaltonetworks	pan-os	5.0.0	Yes
Operating System	paloaltonetworks	pan-os	5.0.0-h1	Yes

References

http://cansecwest.com/csw11/Network%20Application%20FW%20vs.%20Contemporary%20Threats%20%28Brad%20Woodberg%20-%20Final%29.pptx ([email protected])
http://pastie.org/pastes/5568186/text Exploit ([email protected])
http://researchcenter.paloaltonetworks.com/2013/01/app-id-cache-pollution-update/ ([email protected])
https://security.paloaltonetworks.com/CVE-2013-5663 ([email protected])
http://cansecwest.com/csw11/Network%20Application%20FW%20vs.%20Contemporary%20Threats%20%28Brad%20Woodberg%20-%20Final%29.pptx (af854a3a-2127-422b-91ae-364da2661108)
http://pastie.org/pastes/5568186/text Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://researchcenter.paloaltonetworks.com/2013/01/app-id-cache-pollution-update/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.paloaltonetworks.com/CVE-2013-5663 (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 paloaltonetworks'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.