Is CVE-2023-23513 actively exploited?

No active exploitation of CVE-2023-23513 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-23513 be exploited remotely?

Yes. CVE-2023-23513 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-23513?

CVE-2023-23513 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-23513

CWE-120Published: February 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.7.3, macOS Ventura 13.2, macOS Monterey 12.6.3. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.

NVD Source

Risk Analysis

This critical buffer overflow vulnerability in macOS can lead to arbitrary code execution when mounting a malicious Samba network share. The 9.8 CVSS score indicates a severe risk.

No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Update macOS to versions Big Sur 11.7.3, Monterey 12.6.3, or Ventura 13.2 or later.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-23513 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.