What is CVE-2023-43976?

CVE-2023-43976 is a high-severity vulnerability in Catonetworks Cato Client, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.1/10. Published 2023-10-03.

How severe is CVE-2023-43976?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-43976 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Catonetworks Cato Client

CVE-2023-43976

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.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Catonetworks Cato_client
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

NSEcho/vos

References

cve@mitre.org (Product)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2023-43976?: CVE-2023-43976 is a high-severity vulnerability in Catonetworks Cato Client, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.1/10. Published 2023-10-03.
How severe is CVE-2023-43976?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-43976 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.