CVE-2021-32935 Cognex In-Sight OPC Server - Deserialization of Untrusted Data
Remote attackers can exploit untrusted data deserialization in Cognex In-Sight OPC Server to execute system-level commands and escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-32935?
CVE-2021-32935 is a high-severity unsafe deserialization vulnerability in Cognex In-Sight OPC Server, published on 23 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.
Weakness: CWE-502
Which versions are affected by CVE-2021-32935?
It affects 1 product.
Products include Cognex In-Sight Opc Server.
How do I fix CVE-2021-32935?
No fix has been published for CVE-2021-32935 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-32935 being exploited?
There is no known exploitation of CVE-2021-32935 in the wild and no public exploit code.
Sources
Also known as GHSA-wjh3-6952-cjvw.