CVE-2021-20647 json
Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrat…
published 2021-02-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8065
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 44%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- ELECOM CO.,LTD. WRC-300FEBK-S
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
elecom.co.jp
/news/security/20210126-01/
vendor-advisory
-
jvn.jp
/en/jp/JVN47580234/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20647
- NVD CVE-2021-20647
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