CVE-2021-20649 json
ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability.
published 2021-02-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8067
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device.
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- ELECOM CO.,LTD. WRC-300FEBK-S
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
elecom.co.jp
/news/security/20210126-01/
vendor-advisory
-
jvn.jp
/en/jp/JVN47580234/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20649
- NVD CVE-2021-20649
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