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TI-2017-10205 Aliases CVE-2017-14023GHSA-wjw3-c5fg-gcm9

Improper input validation in Siemens SIMATIC PCS 7

Priority LOW 29CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.

Why it matters now

EPSS 0.03675 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Siemens SIMATIC PCS 7Siemens SIMATIC PCS 7—No fix listedCNA
  • Siemens SIMATIC PCS 7 Vendor— Affected Siemens SIMATIC PCS 7 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:siemens:simatic_pcs7:8.1:-:*:*:*:*:*:*8.1VulnerableSiemens
cpe:2.3:a:siemens:simatic_wincc:7.3:update13:*:*:*:*:*:*7.3 update13VulnerableSiemens
cpe:2.3:a:siemens:simatic_pcs7:8.2:-:*:*:*:*:*:*8.2VulnerableSiemens
  • cpe:2.3:a:siemens:simatic_pcs7:8.1:-:*:*:*:*:*:* Versions 8.1 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:simatic_wincc:7.3:update13:*:*:*:*:*:* Versions 7.3 update13 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:simatic_pcs7:8.2:-:*:*:*:*:*:* Versions 8.2 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-14023
  2. 2026-10-03 Alias added: GHSA-wjw3-c5fg-gcm9

References

Advisory 1

  • TI-2014-07026 The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3… CVSS 2.0HIGH 10.0
  • TI-2017-08864 An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before… CVSS 3.0HIGH 8.2
  • TI-2013-03460 The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as… CVSS 2.0HIGH 7.5
  • TI-2012-02631 SQL injection vulnerability in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used… CVSS 2.0HIGH 7.5
  • TI-2013-03459 SQL injection vulnerability in the login screen in the Web Navigator in Siemens WinCC… CVSS 2.0HIGH 7.5
  • TI-2013-00565 Buffer overflow in the RegReader ActiveX control in Siemens WinCC before 7.2, as used in… CVSS 2.0MEDIUM 6.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences