CVE-2018-13800

Severity: high (CVSS 7.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-10 · updated 2026-06-17
Weakness: CWE-352

Description

A vulnerability has been identified in SIMATIC S7-1200 CPU family version 4 (All versions < V4.2.3). The web interface could allow a Cross-Site Request Forgery (CSRF) attack if an unsuspecting user is tricked into accessing a malicious link. Successful exploitation requires user interaction by a legitimate user, who must be authenticated to the web interface. A successful attack could allow an attacker to trigger actions via the web interface that the legitimate user is allowed to perform. This could allow the attacker to read or modify parts of the device configuration.

Affected products

Siemens AG SIMATIC S7-1200 CPU family version 4: before 4.2.3 — fixed in 4.2.3

How to fix

Upgrade to a fixed version: Siemens AG SIMATIC S7-1200 CPU family version 4 4.2.3. Check the vendor advisory for mitigations.

References

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