Heap-based buffer overflow in FactoryTalk Linx - CVE-2020-27251
Published: November 25, 2020
Vulnerability identifier: #VU48647
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-2020-27251
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can send malicious port ranges, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FactoryTalk Linx
How to mitigate CVE-2020-27251
Install updates from vendor's website.
FactoryTalk Linx - update to 6.20