SARA / Free Tools / CVE / CVE-2023-37549

CVE-2023-37549 — In multiple Codesys products in multiple versions, after successful authenticati

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-se

CVSS
6.5 MEDIUM
EPSS
0.08% (top 76.30%)
CWE
CWE-20
Published
2023-08-03T11:02:33.725Z
Last modified
2024-10-11T18:12:01.720Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37547, CVE-2023-37548 and…

02Affected products

VendorProductVersions
CODESYSCODESYS Control for BeagleBone SL0
CODESYSCODESYS Control for emPCA/iMX6 SL — 0
CODESYSCODESYS Control for IOT2000 SL0
CODESYSCODESYS Control for Linux SL0
CODESYSCODESYS Control for PFC100 SL0
CODESYSCODESYS Control for PFC200 SL0
CODESYSCODESYS Control for PLCnext SL0
CODESYSCODESYS Control for Raspberry Pi SL0
CODESYSCODESYS Control for WAGO Touch Panels 600 SL0
CODESYSCODESYS Control RTE (for Beckhoff CX) SL0
CODESYSCODESYS Control RTE (SL)0
CODESYSCODESYS Control Runtime System Toolkit0
CODESYSCODESYS Control Win (SL)0
CODESYSCODESYS Development System V30
CODESYSCODESYS HMI (SL)0
CODESYSCODESYS Safety SIL2 Runtime Toolkit0

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

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

CVE-2023-37545
Cited in vendor advisory
CVE-2023-37546
Cited in vendor advisory
CVE-2023-37547
Cited in vendor advisory
CVE-2023-37548
Cited in vendor advisory

08Timeline

09References

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