What is the CVSS score of CVE-2021-20648?

CVE-2021-20648 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Wrc 300Febk S Firmware CVE-2021-20648

MEDIUM

OS Command Injection (CWE-78)

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

Command Injection Wrc 300Febk S Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 12, 2021 - 07:15 nvd

MEDIUM 6.8

DescriptionNVD

ELECOM WRC-300FEBK-S allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

AnalysisAI

ELECOM WRC-300FEBK-S allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. ELECOM WRC-300FEBK-S allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors. Affected products include: Elecom Wrc-300Febk-S Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.