CVE-2020-15791CWE-522

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl

Medium · published September 9, 2020

CVSS v3.1
6.5
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions), SINUMERIK 840D sl (All versions). The authentication protocol between a client and a PLC via port 102/tcp (ISO-TSAP) insufficiently protects the transmitted password. This could allow an attacker that is able to intercept the network traffic to obtain valid PLC credentials.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00718 · 53.3th percentile
Weakness
CWE-522 · Insufficiently Protected Credentials
Published
2020-09-09T18:13Z
EPSS history
Timeline
  • 09 SEP 18:13Z
    A vulnerability has been identified in SIMATIC S7-300 CPU family (incl
    cvelistv5