CVE-2011-4508

CriticalCVSS 9.3/10Last modified Jun 16, 2026

Description

The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime generates predictable authentication tokens for cookies, which makes it easier for remote attackers to bypass authentication via a crafted cookie.

Metrics

CVSS 2.0 9.3/10AV:N/AC:M/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published
Feb 3, 2012
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

CVE-2011-450910.0The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and MobCVE-2011-45104.3Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aCVE-2011-45114.3Cross-site scripting (XSS) vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aCVE-2011-45125.0CRLF injection vulnerability in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portaCVE-2011-451310.0Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMICVE-2011-451410.0The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and MobiCVE-2011-45154.6Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable filCVE-2011-45166.8Heap-based buffer overflow in the jpc_cox_getcompparms function in libjasper/jpc/jpc_cs.c in JasPer 1.900.1 allows remote attackers to execuCVE-2011-45176.8The jpc_crg_getparms function in libjasper/jpc/jpc_cs.c in JasPer 1.900.1 uses an incorrect data type during a certain size calculation, whiCVE-2011-45185.0Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to readCVE-2011-45194.3Stack-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service vCVE-2011-45204.3Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service vi
CVE-2011-4508: Critical severity, CVSS 9.3 | Vulnix