CVE-2021-22749 Information disclosure in Modicon X80 BMXNOR0200H RTU SV1.70 IR22 and prior
An attacker can send a crafted HTTP request to the Modicon X80 RTU web server to leak sensitive configuration and telemetry parameters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22749?
CVE-2021-22749 is a medium-severity vulnerability in Modicon X80 BMXNOR0200H RTU SV1.70 IR22 and prior, published on 11 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Modicon X80 BMXNOR0200H RTU SV1.70 IR22 and prior that could cause information leak concerning the current RTU configuration including communication parameters dedicated to telemetry, when a specially crafted HTTP request is sent to the web server of the module.
Weakness: CWE-200
Which versions are affected by CVE-2021-22749?
It affects 1 product.
Products include Schneider-Electric Modicon X80 Bmxnor0200h Rtu Firmware.
How do I fix CVE-2021-22749?
No fix has been published for CVE-2021-22749 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22749 being exploited?
There is no known exploitation of CVE-2021-22749 in the wild and no public exploit code.
Sources
Also known as GHSA-xmrj-wjpx-qx78.