CVE-2017-2684 is a critical authentication bypass vulnerability affecting Siemens SIMATIC Logon versions prior to V1.5 SP3 Update 2. An attacker with a valid username and physical or network access can bypass application-level authentication. This vulnerability carries a CVSS v3 score of 9.0 (CRITICAL) due to its network attack vector, high impact on confidentiality, integrity, and availability, despite requiring high attack complexity. Although there is no known active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_logon:*:sp3_update_1:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.1 Bluesky, 0.8 Mastodon, and 2.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.