#VU52205 Out-of-bounds read in SIMOTICS CONNECT 400 - CVE-2020-27737
Published: April 14, 2021
Vulnerability identifier: #VU52205
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27737
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SIMOTICS CONNECT 400
SIMOTICS CONNECT 400
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a boundary condition in the DNS response parsing functionality. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service (DoS) condition.
Remediation
Install updates from vendor's website.