CVE-2021-20647: CSRF
First published: Fri Feb 12 2021(Updated: )
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.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Elecom Wrc-300febk-s Firmware | ||
| ELECOM WRC-300FEBK-S |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20647?
CVE-2021-20647 is a cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S that allows remote attackers to hijack the authentication of administrators and execute arbitrary requests.
How can remote attackers exploit CVE-2021-20647?
Remote attackers can exploit CVE-2021-20647 by sending a specially crafted request, tricking administrators into executing arbitrary actions.
What is the impact of CVE-2021-20647?
The impact of CVE-2021-20647 is that device settings may be altered and/or the telnet daemon may be started.
Is ELECOM WRC-300FEBK-S the only affected software?
No, ELECOM WRC-300FEBK-S firmware is affected, but the hardware itself is not vulnerable.
How can I protect against CVE-2021-20647?
To protect against CVE-2021-20647, update to the latest firmware version provided by ELECOM and ensure proper access controls are in place.
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