CVE-2021-20858: 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-2021-20858?
CVE-2021-20858 is a cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior.
How severe is CVE-2021-20858?
CVE-2021-20858 has a severity rating of 5.4, which is considered medium.
How does CVE-2021-20858 affect ELECOM LAN router WRC-2533GHBK-I?
CVE-2021-20858 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
Is Elecom Wrc-2533ghbk-i vulnerable to CVE-2021-20858?
Elecom Wrc-2533ghbk-i does not have a vulnerable version to CVE-2021-20858.
How do I fix CVE-2021-20858?
To fix CVE-2021-20858, it is recommended to update the firmware of the ELECOM LAN router WRC-2533GHBK-I to version 1.21 (or later) as provided by the vendor.
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