CVE-2021-37195: siemens comos
Vulnerability summary
CVE-2021-37195 is a medium (CVSS 6.1) vulnerability in siemens comos. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities.
Timeline
- 11-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last 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 accepts arbitrary code as attachment to tasks. This could allow an attacker to inject malicious code that is executed when loading the attachment.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Siemens4 products
- comos≤ 10.2 | ≥ 10.3, < 10.3.3.2.14 | 4.1
- 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