CVE-2023-32787 is a denial-of-service vulnerability in the OPC UA Legacy Java Stack (before 6f176f2) and related products from OPC Foundation and Prosys OPC. An unauthenticated attacker can exploit this flaw by causing uncontrolled resource consumption, effectively blocking OPC UA server applications from serving clients. Rated with a CVSS score of 7.5 (High), this vulnerability has a network attack vector, low attack complexity, and a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2023-04-28CPE matchmatch criteria | cpe:2.3:a:opcfoundation:ua_java_legacy:*:*:*:*:*:*:*:* | ||
< 1.2.0CPE matchmatch criteria | cpe:2.3:a:prosysopc:ua_historian:*:*:*:*:*:*:*:* | ||
< 1.4.20CPE matchmatch criteria | cpe:2.3:a:prosysopc:ua_modbus_server:*:*:*:*:*:*:*:* | ||
< 5.4.2CPE matchmatch criteria | cpe:2.3:a:prosysopc:ua_simulation_server:*:*:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.