SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-30791

In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections.

HIGH 7.5EPSS 0.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.87% probability · 57th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
codesys/control for beaglebone · codesys/control for empc-a\/imx6 · codesys/control for iot2000 sl · codesys/control for linux sl · codesys/control for pfc100 sl · codesys/control for pfc200 sl · codesys/control for plcnext · codesys/control for raspberry pi sl · codesys/control for wago touch panels 600 · codesys/control rte sl · codesys/control rte sl \(for beckhoff cx\) · codesys/control runtime system toolkit · codesys/control win · codesys/development system · codesys/edge gateway · codesys/embedded target visu toolkit · codesys/gateway · codesys/hmi · codesys/remote target visu toolkit
Source
info@cert.vde.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.