VULNERABILITY INTELLIGENCE
CVE-2017-2684
CVSS score9 CRITICAL
EPSS probability1.99%
CISA KEVNot currently listed
Published2017-02-22
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description
Siemens SIMATIC Logon prior to V1.5 SP3 Update 2 could allow an attacker with knowledge of a valid user name, and physical or network access to the affected system, to bypass the application-level authentication.
Weakness classification
- CWE-592: DEPRECATED: Authentication Bypass Issues
Primary references
- productcert@siemens.com — Third Party Advisory, VDB Entry
- productcert@siemens.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory