#VU85960 Untrusted Pointer Dereference in CODESYS products - CVE-2022-47393

Vulnerability identifier: #VU85960

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-47393

CWE-ID: CWE-822

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
CODESYS Control RTE
CODESYS Control RTE (for Beckhoff CX)
CODESYS Control Win
CODESYS Control Runtime System Toolkit
CODESYS Safety SIL2 Runtime Toolkit
CODESYS Safety SIL2 PSP
CODESYS HMI
CODESYS Development System V3
CODESYS Control for BeagleBone SL
CODESYS Control for emPC-A/iMX6 SL
CODESYS Control for IOT2000 SL
CODESYS Control for Linux SL
CODESYS Control for PFC100 SL
CODESYS Control for PFC200 SL
CODESYS Control for PLCnext SL
CODESYS Control for Raspberry Pi SL
CODESYS Control for WAGO Touch Panels 600 SL

Software vendor:
CODESYS

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to untrusted pointer dereference in the CmpFiletransfer component . A remote usercan send a specially crafted request and cause a denial of service condition on the target system.

Install updates from vendor's website.

• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17554&token=5444f53b4c90fe37043671a100dffa75305d1825&download=