{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"OpenSSL Plain Text Recovery Attack Vulnerability"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2011-4108","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-08T08:18:41.801Z","generator":{"date":"2026-04-08T08:18:41.801Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2011-4108","initial_release_date":"2012-04-27T23:30:00.000Z","revision_history":[{"number":"1","date":"2026-04-08T01:18:41.000Z","summary":"Initial release"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2011-4108","product_status":{"fixed":["PANW-PAN-OS-507","PANW-PAN-OS-508","PANW-PAN-OS-509"],"known_affected":["PANW-PAN-OS-505","PANW-PAN-OS-506","PANW-PAN-OS-504"]},"notes":[{"category":"description","text":"The OpenSSL library implementation is vulnerable to a plain text recovery attack by performing timing analysis of the time required to decrypt encrypted data.  A detailed report of this issue is available at http://www.isg.rhul.ac.uk/~kp/dtls.pdf.  (Ref #36017)\nThis vulnerability can theoretically result in plain text recovery of a web management UI session, leading to possible session hijack and control of the device.\nThis issue affects PAN-OS 4.1.2 and earlier; PAN-OS 4.0.9 and earlier; PAN-OS 3.1.11 and earlier."}],"references":[{"category":"external","summary":"NVD - CVE-2011-4108","url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4108"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2011-4108","url":"https://security.paloaltonetworks.com/CVE-2011-4108"}],"threats":[{"category":"impact","description":"The OpenSSL library implementation is vulnerable to a plain text recovery attack by performing timing analysis of the time required to decrypt encrypted data.  A detailed report of this issue is available at http://www.isg.rhul.ac.uk/~kp/dtls.pdf.  (Ref #36017)\nThis vulnerability can theoretically result in plain text recovery of a web management UI session, leading to possible session hijack and control of the device.\nThis issue affects PAN-OS 4.1.2 and earlier; PAN-OS 4.0.9 and earlier; PAN-OS 3.1.11 and earlier."}],"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW"},"products":["PANW-PAN-OS-505","PANW-PAN-OS-506","PANW-PAN-OS-504"]}]}]}