CVE-2018-7559 describes a vulnerability in OPC UA .NET Standard and Legacy Stacks that allows a remote attacker to deduce a server's private key. This is achieved through an oracle attack by sending specially crafted UserIdentityTokens. The vulnerability has a medium severity CVSS score of 5.3, indicating a network attack vector with high attack complexity, requiring low privileges, and resulting in high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.03.342CPE matchmatch criteria | cpe:2.3:a:opcfoundation:ua-.net-legacy:*:*:*:*:*:*:*:* | ||
<= 1.03.352.10CPE matchmatch criteria | cpe:2.3:a:opcfoundation:ua-.netstandard:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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.