What is the CVSS score of CVE-2021-20643?

CVE-2021-20643 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 1.1%.

Ld Ps U1 Firmware CVE-2021-20643

HIGH

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

Information Disclosure Ld Ps U1 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Feb 12, 2021 - 07:15 nvd

HIGH 7.5

DescriptionNVD

Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request.

AnalysisAI

Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request. Affected products include: Elecom Ld-Ps\/U1 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.