CVE-2021-22663 Memory corruption in Cscape
Attackers can execute arbitrary code by tricking users into opening malicious project files in Cscape HMI software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22663?
CVE-2021-22663 is a high-severity memory corruption vulnerability in Cscape, published on 9 Feb 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Cscape (All versions prior to 9.90 SP3.5) lacks proper validation of user-supplied data when parsing project files. This could lead to an out-of-bounds read. An attacker could leverage this vulnerability to execute code in the context of the current process.
Weakness: CWE-125
Which versions are affected by CVE-2021-22663?
It affects 2 products.
Products include Hornerautomation Cscape, Siemens Cscape.
How do I fix CVE-2021-22663?
No fix has been published for CVE-2021-22663 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-22663 being exploited?
There is no known exploitation of CVE-2021-22663 in the wild and no public exploit code.
Other vulnerabilities in Cscape
Sources
Also known as GHSA-2xjp-jvqv-hvj5.