PatchTheCVECVE-2021-32935: The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted da
CVE-2021-32935 is a high-severity flaw (CVSS 8.8) affecting in-sight opc server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.9% (top 20%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2022-05-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-32935?
in-sight opc server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-32935 being exploited?
CVE-2021-32935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-32935 affect?
CVE-2021-32935 affects in-sight opc server. Severity is high (CVSS 8.8). 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.
How urgent is CVE-2021-32935?
Priority 51/100. High severity