What is the CVSS score of CVE-2023-43976?

CVE-2023-43976 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2023-43976?

Yes, a public proof-of-concept exploit is available for CVE-2023-43976. Prioritise patching immediately. EPSS: 0.5%.

Cato Client CVE-2023-43976

HIGH

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2023-10-03 cve@mitre.org

Privilege Escalation Cato Client

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 03, 2023 - 19:15 nvd

HIGH 8.1

DescriptionNVD

An issue in CatoNetworks CatoClient before v.5.4.0 allows attackers to escalate privileges and winning the race condition (TOCTOU) via the PrivilegedHelperTool component.

AnalysisAI

An issue in CatoNetworks CatoClient before v.5.4.0 allows attackers to escalate privileges and winning the race condition (TOCTOU) via the PrivilegedHelperTool component. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-367. An issue in CatoNetworks CatoClient before v.5.4.0 allows attackers to escalate privileges and winning the race condition (TOCTOU) via the PrivilegedHelperTool component. Affected products include: Catonetworks Cato Client.

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.