CVE-2021-20857: XSS
First published: Wed Dec 01 2021(Updated: )
Cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Elecom Wrc-2533ghbk-i Firmware | <=1.20 | |
| Elecom Wrc-2533ghbk-i |
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Reference Links
Frequently Asked Questions
What is CVE-2021-20857?
CVE-2021-20857 is a cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior.
How severe is CVE-2021-20857?
CVE-2021-20857 has a severity level of 5.4, which is considered medium.
What software is affected by CVE-2021-20857?
ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior are affected by CVE-2021-20857.
How can a remote attacker exploit CVE-2021-20857?
A remote authenticated attacker can exploit CVE-2021-20857 by injecting an arbitrary script through unspecified vectors.
Are there any mitigation measures available for CVE-2021-20857?
It is recommended to update to a fixed version of the firmware provided by ELECOM to mitigate CVE-2021-20857.
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