#VU52206 Access of Memory Location After End of Buffer in SIMOTICS CONNECT 400 - CVE-2020-27738

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Main Vulnerability Database Vulnerabilities #VU52206

#VU52206 Access of Memory Location After End of Buffer in SIMOTICS CONNECT 400 - CVE-2020-27738

Published: April 14, 2021


Vulnerability identifier: #VU52206
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27738
CWE-ID: CWE-788
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMOTICS CONNECT 400
Software vendor:
Siemens

Description

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

The vulnerability exists due to the DNS domain name record decompression functionality does not properly validate the pointer offset values. A remote attacker can cause a denial of service condition on the target system.


Remediation

Install updates from vendor's website.

External links