Out-of-bounds read in CodeMeter Runtime - CVE-2021-20094
Published: July 30, 2021
Vulnerability identifier: #VU55441
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-2021-20094
CWE-ID: CWE-125
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 boundary condition. A remote attacker can send a specially crafted packet to the CodeMeter Runtime CmWAN server, trigger out-of-bounds read error and cause a denial of service condition on the system.
Affected software
CodeMeter Runtime
Desigo CC
Desigo CC
How to mitigate CVE-2021-20094
Install updates from vendor's website.
CodeMeter Runtime - update to 7.21a