CSRF in Siemens Comos
CVE-2021-37198
A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS uses a flawed implementation of CSRF prevention. An attacker could exploit this vulnerability to perform cross-site request forgery attacks.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Siemens Comos — versions 10.4
- Siemens Comos V10.2 — versions All versions only if web components are used
- Siemens Comos V10.3 — versions All versions < V10.3.3.3 only if web components are used
- Siemens Comos V10.4 — versions All versions < V10.4.1 only if web components are used
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-995338.pdf (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-37198?
- CVE-2021-37198 is a high-severity vulnerability in Siemens Comos, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-01-11.
- How severe is CVE-2021-37198?
- High severity. CVSS v3 base score is 8.8 out of 10.