CVE-2023-49676 — An unauthenticated local attacker may trick a user to open corrupted project fil

An unauthenticated local attacker may trick a user to open corrupted project files to crash the system due to use after free vulnerability.

01What is this vulnerability?

An unauthenticated local attacker may trick a user to open corrupted project files to crash the system due to use after free vulnerability.

02Affected products

Vendor	Product	Versions
CODESYS	CODESYS Development System V2.3	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-05-06T11:09:34.442Z
• Last modified: 2024-08-02T22:01:25.611Z

09References

• cert.vde.com — https://cert.vde.com/en/advisories/VDE-2024-024