What is the CVSS score of CVE-2021-20695?

CVE-2021-20695 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Dap 1880Ac Firmware CVE-2021-20695

HIGH

Improper Certificate Validation (CWE-295)

2021-04-26 vultures@jpcert.or.jp

Information Disclosure Dap 1880Ac Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 26, 2021 - 01:15 nvd

HIGH 8.8

DescriptionNVD

AnalysisAI

Improper following of a certificate's chain of trust vulnerability in DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to gain root privileges via unspecified. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. Improper following of a certificate's chain of trust vulnerability in DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to gain root privileges via unspecified vectors. Affected products include: Dlink Dap-1880Ac Firmware. Version information: version 1.21.

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.