NULL pointer dereference in AVEVA Software, LLC. products - CVE-2021-32971
Published: August 20, 2021
Vulnerability identifier: #VU56001
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32971
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in SuiteLink server while processing command 0x07. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
AVEVA System Platform
AVEVA InTouch
AVEVA Historian
AVEVA Communication Drivers Pack
AVEVA Operations Integration Core
AVEVA Data Acquisition Servers
AVEVA Batch Management
AVEVA MES
AVEVA SuiteLink Server
AVEVA InTouch
AVEVA Historian
AVEVA Communication Drivers Pack
AVEVA Operations Integration Core
AVEVA Data Acquisition Servers
AVEVA Batch Management
AVEVA MES
AVEVA SuiteLink Server
How to mitigate CVE-2021-32971
Install updates from vendor's website.
AVEVA Communication Drivers Pack - update to 2020 R2.1
AVEVA MES - update to 2014 R3
AVEVA SuiteLink Server - update to 3.2.002
AVEVA MES - update to 2014 R3
AVEVA SuiteLink Server - update to 3.2.002