CSRF in Siemens Simatic S7-1200 V4
CVE-2018-13800
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Siemens Simatic S7-1200 V4
- Siemens Simatic S7-1200 V4 Firmware
- Siemens Ag Simatic S7-1200 CPU Family Version 4 — versions All versions < V4.2.3
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-507847.pdf (Vendor Advisory)
- www.securityfocus.com/bid/105542 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-13800?
- CVE-2018-13800 is a high-severity vulnerability in Siemens Simatic S7-1200 V4, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.3/10. Published 2018-10-10.
- How severe is CVE-2018-13800?
- High severity. CVSS v3 base score is 7.3 out of 10.