What is the CVSS score of CVE-2023-31923?

CVE-2023-31923 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: 0.9%.

Is there a public PoC exploit available for CVE-2023-31923?

Yes, a public proof-of-concept exploit is available for CVE-2023-31923. Prioritise patching immediately. EPSS: 0.9%.

Biostar 2 CVE-2023-31923

HIGH

Improper Preservation of Permissions (CWE-281)

2023-05-22 cve@mitre.org

Information Disclosure Biostar 2

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

May 22, 2023 - 15:15 nvd

HIGH 8.8

DescriptionNVD

Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. A vulnerability in the web application allows an authenticated attacker with "User Operator" privileges to create a highly privileged user account. The vulnerability is caused by missing server-side validation, which can be exploited to gain full administrator privileges on the system.

AnalysisAI

Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-281. Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. A vulnerability in the web application allows an authenticated attacker with "User Operator" privileges to create a highly privileged user account. The vulnerability is caused by missing server-side validation, which can be exploited to gain full administrator privileges on the system. Affected products include: Supremainc Biostar 2. Version information: before 2022.

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.