VulnerabilityModified
CVE-2017-2684
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.
CRITICAL 9.0EPSS 1.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.0 CRITICALCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 1.99% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-592
- Affected
- siemens/simatic logon
- Source
- productcert@siemens.com
References
- http://www.securityfocus.com/bid/96208Third Party Advisory, VDB Entry
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-931064.pdfVendor Advisory
- http://www.securityfocus.com/bid/96208Third Party Advisory, VDB Entry
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-931064.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.