CVE-2021-20855
Last modified
CVE-2021-20855 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross-site scripting vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.
Description
Cross-site scripting vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elecom | Wrh-733gbk Firmware | <= 1.02.9 |
| Elecom | Wrh-733gwh Firmware | <= 1.02.9 |
References
- https://jvn.jp/en/jp/JVN88993473/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20211130-01/Vendor Advisory
- https://jvn.jp/en/jp/JVN88993473/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20211130-01/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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