CVE-2011-4508 — Improper Authentication in Siemens Wincc

CWE-287 — Improper Authentication3 documents3 sources
Severity
9.3CRITICALNVD
EPSS
0.4%
top 38.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Siemens WinccSiemens Simatic HMI PanelsSiemens Wincc Flexible+1 more
Timeline
PublishedFeb 3
Latest updateMay 17

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.

CVSS vector

AV:N/AC:M/C:C/I:C/A:CExploitability: 8.6 | Impact: 10.0

Affected Packages4 packages

▶NVDsiemens/wincc_flexible4 versions+3
▶NVDsiemens/winccv11+1
▶NVDsiemens/simatic_hmi_panels5 versions+4

🔴Vulnerability Details

2
GHSA
GHSA-fmw2-jxvh-9jcr: 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, Co↗2022-05-17
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CVEList
CVE-2011-4508: 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, Co↗2012-02-03
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CVE-2011-4508 — Improper Authentication in Siemens | cvebase