What is CVE-2023-3663?

CVE-2023-3663 is a high-severity vulnerability in Codesys Development System, classified under Improper Verification of Source of a Communication Channel. CVSS score: 8.8/10. Published 2023-08-03.

How severe is CVE-2023-3663?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-3663 known to be exploited?

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

Vulnerability in Codesys Development System

CVE-2023-3663

In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification se…

EPSS: 0.009 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Codesys Development System — versions 3.5.11.20

Weakness classification (CWE)

CWE-940 — Improper Verification of Source of a Communication Channel

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cert.vde.com/en/advisories/VDE-2023-022/

Frequently asked questions

What is CVE-2023-3663?: CVE-2023-3663 is a high-severity vulnerability in Codesys Development System, classified under Improper Verification of Source of a Communication Channel. CVSS score: 8.8/10. Published 2023-08-03.
How severe is CVE-2023-3663?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-3663 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.