Improper privilege management in Siemens SIMATIC WinCC OA V3.14 and prior
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-269.
Summary
A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021). Improper access control to a data point of the affected product could allow an unauthenticated remote user to escalate its privileges in the context of SIMATIC WinCC OA V3.14. This vulnerability could be exploited by an attacker with network access to port 5678/TCP of the SIMATIC WinCC OA V3.14 server. Successful exploitation requires no user privileges and no user interaction. This vulnerability could allow an attacker to compromise integrity and availability of the SIMATIC WinCC OA system. At the time of advisory publication no public exploitation of this vulnerability was known.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SIMATIC WinCC OA V3.14 and prior | SIMATIC WinCC OA V3.14 and prior : All versions < V3.14-P021 | — | No fix listed | CNA |
- SIMATIC WinCC OA V3.14 and prior VendorSiemens Affected SIMATIC WinCC OA V3.14 and prior : All versions < V3.14-P021 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-13799
- 2026-10-03 Alias added: GHSA-93r3-p736-cjhx
References
More Siemens Simatic Wincc Open Architecture vulnerabilities
- TI-2018-02959 An exploitable heap overflow vulnerability exists in the WkbProgramLow function of… CVSS 3.0CRITICAL 10.0
- TI-2014-01310 The integrated web server in Siemens SIMATIC WinCC OA before 3.12 P002 January allows… CVSS 2.0HIGH 7.5
- TI-2020-06103 A vulnerability has been identified in SIMATIC Automation Tool (All versions < V4 SP2)… CVSS 3.1MEDIUM 6.7
- TI-2014-01311 Directory traversal vulnerability in Siemens SIMATIC WinCC OA before 3.12 P002 January… CVSS 2.0MEDIUM 5.0
- TI-2019-08150 Broken or risky cryptographic algorithm in Siemens SIMATIC CP 1626 CVSS 3.1MEDIUM 5.9
- TI-2014-01312 Siemens SIMATIC WinCC OA before 3.12 P002 January allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2018-13799 · CVE Program
- CVE-2018-13799 · NVD
- FIRST EPSS
- GHSA-93r3-p736-cjhx · GitHub Advisory Database · CC BY 4.0
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