{"cve":"CVE-2013-5663","nvd":{"published":"2013-08-31T17:55:03.650","modified":"2026-06-16T23:59:12.827","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://cansecwest.com/csw11/Network%20Application%20FW%20vs.%20Contemporary%20Threats%20%28Brad%20Woodberg%20-%20Final%29.pptx","http://pastie.org/pastes/5568186/text","http://researchcenter.paloaltonetworks.com/2013/01/app-id-cache-pollution-update/","https://security.paloaltonetworks.com/CVE-2013-5663","http://cansecwest.com/csw11/Network%20Application%20FW%20vs.%20Contemporary%20Threats%20%28Brad%20Woodberg%20-%20Final%29.pptx"],"products":["paloaltonetworks:pan-os"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-5663","score":0.02821,"percentile":0.86578,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}