CVE-2021-32935 is a critical deserialization vulnerability affecting Cognex In-Sight OPC Server versions v5.7.4 and prior. This flaw allows a remote, unauthenticated attacker to execute system-level commands and achieve local privilege escalation due to the server's improper handling of untrusted data. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction required, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.7.4_\(96\)CPE matchmatch criteria | cpe:2.3:a:cognex:in-sight_opc_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.