CVE-2024-49704 XML external entity in COMOS V10.3
An attacker can extract sensitive files from a user's system or network by tricking them into opening a maliciously crafted configuration file in Siemens COMOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-49704?
CVE-2024-49704 is a medium-severity vulnerability in Siemens COMOS V10.3, published on 10 Dec 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability has been identified in COMOS V10.3 (All versions < V10.3.3.5.8), COMOS V10.4.0 (All versions), COMOS V10.4.1 (All versions), COMOS V10.4.2 (All versions), COMOS V10.4.3 (All versions < V10.4.3.0.47), COMOS V10.4.4 (All versions < V10.4.4.2), COMOS V10.4.4.1 (All versions < V10.4.4.1.21). The Generic Data Mapper, the Engineering Adapter, and the Engineering Interface improperly handle XML External Entity (XXE) entries when parsing configuration and mapping files. This could allow an attacker to extract any file with a known location on the user's system or accessible network folders by persuading a user to use a maliciously crafted configuration or mapping file in one of the affected components.
Weakness: CWE-611
Which versions are affected by CVE-2024-49704?
How do I fix CVE-2024-49704?
No fix has been published for CVE-2024-49704 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-49704 being exploited?
There is no known exploitation of CVE-2024-49704 in the wild and no public exploit code.
Sources
Also known as GHSA-f34q-hm3j-vf93.