What’s Vulnerable › Vulnerabilities

CVE-2021-32935: Cognex In-Sight OPC Server - Deserialization of Untrusted Data

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-23 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• Cognex In-Sight OPC Server: through 5.7.4_\(96\)

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-224-01
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-224-01

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