CVE-2021-22743

CWE-7543 documents3 sources
Severity
3.9LOW
EPSS
0.1%
top 82.73%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Schneider-electric TCM 4351b FirmwareSchneider-electric Triconex Model 3009 MP Firmware
Timeline
PublishedMay 26
Latest updateMay 24

Description

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.3 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5triconex_tcm_4351b_installed_on_tricon_v11.3.x_systems.Triconex TCM 4351B installed on Tricon V11.3.x systems
▶NVDschneider-electric/tcm_4351b_firmware11.3.0 — 11.5.1+1

🔴Vulnerability Details

2
GHSA
GHSA-48h6-xg8f-qv46: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11↗2022-05-24
▶
CVEList
CVE-2021-22743: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11↗2021-05-26
▶