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CVE-2023-37557

MEDIUMCVSS 6.5/10EPSS 0.52%

Last modified

CVE-2023-37557 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CodesysControl For Beaglebone Sl< 4.10.0.0
CodesysControl For Empc-A\/Imx6 Sl< 4.10.0.0
CodesysControl For Iot2000 Sl< 4.10.0.0
CodesysControl For Linux Sl< 4.10.0.0
CodesysControl For Pfc100 Sl< 4.10.0.0
CodesysControl For Pfc200 Sl< 4.10.0.0
CodesysControl For Plcnext Sl< 4.10.0.0
CodesysControl For Raspberry Pi Sl< 4.10.0.0
CodesysControl For Wago Touch Panels 600 Sl< 4.10.0.0
CodesysControl Rte Sl< 3.5.19.20
CodesysControl Rte Sl \(For Beckhoff Cx\)< 3.5.19.20
CodesysControl Runtime System Toolkit< 3.5.19.20
CodesysControl Win Sl< 3.5.19.20
CodesysDevelopment System< 3.5.19.20
CodesysHmi< 3.5.19.20
CodesysSafety Sil2< 3.5.19.20

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-37557?
After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.
How severe is CVE-2023-37557?
CVE-2023-37557 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2023-37557?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37557?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST