Is CVE-2023-43696 actively exploited?

No active exploitation of CVE-2023-43696 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-43696 be exploited remotely?

Yes. CVE-2023-43696 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-43696?

CVE-2023-43696 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-43696

CRITICAL

CVE-2023-43696

CWE-284Published: October 9, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Improper Access Control in SICK APU allows an unprivileged remote attacker to

download as well as upload arbitrary files via anonymous access to the FTP server.

NVD Source

Risk Analysis

SICK APU firmware contains an access control vulnerability that allows unprivileged remote attackers to upload or download arbitrary files via anonymous FTP. This critical flaw could lead to unauthorized system modification or data theft.

No public exploit is known, and the vulnerability is not in the CISA KEV catalog.

Recommended Action

Update the SICK APU firmware and disable anonymous access to the FTP server.

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-2023-43696 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.