Medium severity · published Feb 12, 2021
CVE-2021-20647
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…
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrc-300febk-s Firmware · Elecom
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20647
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20647
Third Party Advisory
https://jvn.jp/en/jp/JVN47580234/index.html
Vendor Advisory
https://www.elecom.co.jp/news/security/20210126-01/
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