What is the CVSS score of CVE-2022-23000?

CVE-2022-23000 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

My Cloud Pr2100 Firmware CVE-2022-23000

HIGH

Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade') (CWE-757)

2022-07-25 psirt@wdc.com

Information Disclosure My Cloud Pr2100 Firmware My Cloud Pr4100 Firmware My Cloud Ex4100 Firmware My Cloud Ex2 Ultra Firmware My Cloud Mirror G2 Firmware My Cloud Dl2100 Firmware My Cloud Dl4100 Firmware My Cloud Ex2100 Firmware My Cloud Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 25, 2022 - 19:15 nvd

HIGH 7.8

DescriptionNVD

The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS" or specifying stronger validation, deprecated or insecure protocols are permitted. As a result, a local user with no privileges can exploit this vulnerability and jeopardize the integrity, confidentiality and authenticity of information transmitted. The scope of impact cannot extend to other components and no user input is required to exploit this vulnerability.

AnalysisAI

The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-757. The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS" or specifying stronger validation, deprecated or insecure protocols are permitted. As a result, a local user with no privileges can exploit this vulnerability and jeopardize the integrity, confidentiality and authenticity of information transmitted. The scope of impact cannot extend to other components and no user input is required to exploit this vulnerability. Affected products include: Westerndigital My Cloud Pr2100 Firmware, Westerndigital My Cloud Pr4100 Firmware, Westerndigital My Cloud Ex4100 Firmware, Westerndigital My Cloud Ex2 Ultra Firmware, Westerndigital My Cloud Mirror G2 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.