What is the CVSS score of CVE-2021-20650?

CVE-2021-20650 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.5%.

Ncc Ewf100Rmwh2 Firmware CVE-2021-20650

MEDIUM

Cross-Site Request Forgery (CSRF) (CWE-352)

2021-02-12 vultures@jpcert.or.jp

CSRF Ncc Ewf100Rmwh2 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Feb 12, 2021 - 07:15 nvd

MEDIUM 6.5

DescriptionNVD

Cross-site request forgery (CSRF) vulnerability in ELECOM NCC-EWF100RMWH2 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.

AnalysisAI

Cross-site request forgery (CSRF) vulnerability in ELECOM NCC-EWF100RMWH2 allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Cross-site request forgery (CSRF) vulnerability in ELECOM NCC-EWF100RMWH2 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. Affected products include: Elecom Ncc-Ewf100Rmwh2 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.