cbcvebase.
CVE-2021-29241
published 2021-05-03

CVE-2021-29241: CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

PriorityP434high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.42%
69.8th percentile
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

Affected

12 ranges
VendorProductVersion rangeFixed in
codesyscontrol_for_beaglebone_sl>= 3.0 < 4.0.1.04.0.1.0
codesyscontrol_for_empc-a_imx6_sl>= 3.0 < 4.0.1.04.0.1.0
codesyscontrol_for_iot2000_sl>= 3.0 < 4.0.1.04.0.1.0
codesyscontrol_for_linux_sl>= 3.0 < 4.0.1.04.0.1.0
codesyscontrol_for_pfc100_sl>= 3.0 < 3.5.16.03.5.16.0
codesyscontrol_for_pfc200_sl>= 3.0 < 3.5.16.03.5.16.0
codesyscontrol_for_raspberry_pi_sl>= 3.0 < 4.0.1.04.0.1.0
codesyscontrol_runtime_system_toolkit>= 3.0 < 3.5.16.703.5.16.70
codesysdevelopment_system>= 3.0 < 3.5.16.703.5.16.70
codesysedge_gateway>= 3.0 < 3.5.16.703.5.16.70
codesysedge_gateway>= 3.0 < 4.1.0.04.1.0.0
codesysgateway>= 3.0 < 3.5.16.703.5.16.70

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
ghsa9.6CRITICAL
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.