Is CVE-2023-3663 in the CISA KEV catalog?

No. CVE-2023-3663 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-3663?

CVE-2023-3663 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-3663?

CVE-2023-3663 has an EPSS score of 1.03% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-3663?

Upgrade development system to 3.5.19.20 or later.

CVE & CISA-KEV Catalog

CVE-2023-3663

HIGH

8.8

CVSS v3

NVD

Description

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 server.

CWE-940

How to fix

Remediation Available

development systemNVD

Affected:>= 3.5.11.20, < 3.5.19.20Fixed in:3.5.19.20CVE-2023-3663derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.03%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Third-Party Advisory1

cert.vde.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.