Detections
Analytics

CVE-2022-30791

high

Description

In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-076-01

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17128&token=bee4d8a57f19be289d623ec90135493b5f9179e3&download=

Details

Source: Mitre, NVD

Published: 2022-07-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00136