CVE-2021-20649 Security feature bypass in WRC-300FEBK-S
Improper certificate validation allows man-in-the-middle attackers to execute arbitrary OS commands on the device.
- 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-2021-20649?
CVE-2021-20649 is a medium-severity vulnerability in ELECOM CO.,LTD. WRC-300FEBK-S, published on 12 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device.
Weakness: CWE-295
Which versions are affected by CVE-2021-20649?
It affects 1 product.
Products include Elecom Wrc-300febk-S Firmware.
How do I fix CVE-2021-20649?
No fix has been published for CVE-2021-20649 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20649 being exploited?
There is no known exploitation of CVE-2021-20649 in the wild and no public exploit code.
Other vulnerabilities in ELECOM CO.,LTD. WRC-300FEBK-S
Sources
Also known as GHSA-5244-5vqh-qwmc.