Out-of-bounds write in Drawings SDK - CVE-2021-31784
Published: March 11, 2022
Vulnerability identifier: #VU61250
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-31784
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in the file-reading procedure. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
Drawings SDK
Siemens COMOS
Siemens COMOS
How to mitigate CVE-2021-31784
Install updates from vendor's website.
Drawings SDK - update to 2021.6
Siemens COMOS - update to 10.4.1
Siemens COMOS - update to 10.4.1