Vulnerability in Elecom Wrc-300febk-S
CVE-2021-20649
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000
Affected products
- Elecom Wrc-300febk-S
- Elecom Wrc-300febk-S Firmware
- Elecom Co.,ltd. Wrc-300febk-S — versions WRC-300FEBK-S
Weakness classification (CWE)
References
- www.elecom.co.jp/news/security/20210126-01/ (Vendor Advisory)
- jvn.jp/en/jp/JVN47580234/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20649?
- CVE-2021-20649 is a medium-severity vulnerability in Elecom Wrc-300febk-S, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2021-02-12.
- How severe is CVE-2021-20649?
- Medium severity. CVSS v3 base score is 4.8 out of 10.