CVE-2021-20647 Cross-site request forgery in WRC-300FEBK-S
Attackers can hijack admin sessions to alter settings or enable telnet on ELECOM routers, requiring vendor patches.
- 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-2021-20647?
CVE-2021-20647 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, and only if a user opens a file or follows a link.
Official description
Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.
Weakness: CWE-352
Which versions are affected by CVE-2021-20647?
It affects 1 product.
Products include Elecom Wrc-300febk-S Firmware.
How do I fix CVE-2021-20647?
No fix has been published for CVE-2021-20647 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20647 being exploited?
There is no known exploitation of CVE-2021-20647 in the wild and no public exploit code.
Other vulnerabilities in ELECOM CO.,LTD. WRC-300FEBK-S
Sources
Also known as GHSA-95x3-j4xq-37g5.