8.1high

CVE-2017-6868

An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
4.2%
percentile 91%
Public exploits
0
none known

Summary

An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1. An unauthenticated remote attacker may be able to perform administrative actions on the Communication Process (CP) of the RNA series module, if network access to Port 102/TCP is available and the configuration file for the CP is stored on the RNA's CPU.

Exploit prediction (EPSS)

4.17% probability of exploitation in the next 30 days, higher than 91% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • n/a Siemens SIMATIC CP 44x-1 Redundant Network Access Modules

Classification

Weakness

References

  • securityfocus.com /bid/99234 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1038788 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • ics-cert.us-cert.gov /advisories/ICSA-17-173-01 · x_refsource_MISC, x_transferred
  • siemens.com /cert/pool/cert/siemens_security_advisory_ssa-126840.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.