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CVE-2023-7244

CRITICALCVSS 9.8/10EPSS 0.82%

Last modified

CVE-2023-7244 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write in their primary analyses function for Ethercat communication packets. This could allow an attacker to cause arbitrary code execution. . EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write in their primary analyses function for Ethercat communication packets. This could allow an attacker to cause arbitrary code execution.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CisaIcsnpp-Ethercat<= d78dda6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-7244?
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write in their primary analyses function for Ethercat communication packets. This could allow an attacker to cause arbitrary code execution.
How severe is CVE-2023-7244?
CVE-2023-7244 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2023-7244?
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-2023-7244?

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

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Source: NVD / NIST