9.0crit

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 acces…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.0
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.99% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.0CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • n/a SIMATIC Logon All versions < V1.5 SP3 Update 2

Classification

Weakness
  • CWE-592 DEPRECATED: Authentication Bypass Issues

References

  • securityfocus.com /bid/96208 · vdb-entry, x_refsource_BID, x_transferred
  • siemens.com /cert/pool/cert/siemens_security_advisory_ssa-931064.pdf · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.