Incorrect permission assignment in Siemens SIMATIC WinCC
Priority LOW 35CWE-732Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A vulnerability has been identified in SIMATIC WinCC (All versions < V7.5.2.13). Affected applications fail to set proper access rights for their installation folder if a non-default installation path was chosen during installation. This could allow an authenticated local attacker to inject arbitrary code and escalate privileges.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00212 11th percentileScored 2026-11-07
Fix Fixed SIMATIC WinCC (Siemens): V7.5.2.13
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA SIMATIC WinCC (Siemens) Fixed in V7.5.2.13
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30897
- 2026-10-03 Alias added: GHSA-chm6-c3vh-vvc3
References
More Siemens Wincc vulnerabilities
- TI-2011-04195 Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible… CVSS 2.0HIGH 9.3
- TI-2011-04196 Directory traversal vulnerability in HmiLoad in the runtime loader in Siemens WinCC… CVSS 2.0HIGH 9.3
- TI-2011-04199 miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008… CVSS 2.0HIGH 8.5
- TI-2011-03885 Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP… CVSS 2.0HIGH 10.0
- TI-2011-03886 The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka… CVSS 2.0HIGH 10.0
- TI-2011-04198 Directory traversal vulnerability in miniweb.exe in the HMI web server in Siemens WinCC… CVSS 2.0HIGH 7.8
Sources
- CVE-2023-30897 · CVE Program
- CVE-2023-30897 · NVD
- FIRST EPSS
- GHSA-chm6-c3vh-vvc3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences