CVE-2023-3825 is a denial-of-service vulnerability affecting PTC KEPServerEX versions 6.0 to 6.14.263. The flaw allows an unauthenticated attacker to send a maliciously crafted OPC UA message containing a recursively defined object, causing uncontrolled resource consumption and a stack overflow that crashes the device. With a CVSS score of 7.5 (High), this vulnerability requires no user interaction and has a high impact on availability. While there is no known active exploitation, public exploit code, or Metasploit module, the vulnerability has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.0.0, <= 6.14.263CPE matchmatch criteria | cpe:2.3:a:kepware:kepserverex:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.