CVE-2021-37195 Cross-site scripting in COMOS V10.2
Attackers can inject malicious code into COMOS Web task attachments, leading to code execution when the attachment is loaded.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-37195?
CVE-2021-37195 is a medium-severity cross-site scripting vulnerability in Siemens COMOS V10.2, published on 11 Jan 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2021-37195?
It affects 1 product.
Products include Siemens Comos.
How do I fix CVE-2021-37195?
No fix has been published for CVE-2021-37195 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-37195 being exploited?
There is no known exploitation of CVE-2021-37195 in the wild and no public exploit code.
Other vulnerabilities in Siemens COMOS V10.2
Sources
Also known as GHSA-2w4f-8m3p-jrxr.