8.8

CVE-2021-37198: siemens comos Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
Published 11-01-2022Last modified 22-05-2025
Open JSON

Vulnerability summary

CVE-2021-37198 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in siemens comos. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-01-2022
    PublishedVulnerability first disclosed.
  2. 22-05-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

0.00 pp

From 0.36% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens4 products
  • comos≤ 10.2 | ≥ 10.3, < 10.3.3.3 | 10.4
  • comos v10.2All versions only if web components are used
  • comos v10.3All versions < V10.3.3.3 only if web components are used
  • comos v10.4All versions < V10.4.1 only if web components are used

1 vendor · 4 products

References

1 links