CVE-2021-40360

HIGH

SIMATIC PCS 7 & WinCC - Info Disclosure

Title source: llm

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.

Scores

CVSS v3 8.8
EPSS 0.0026
EPSS Percentile 49.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-522 CWE-200
Status published

Affected Products (50)

siemens/simatic_pcs_7 < 8.2
siemens/simatic_pcs_7
siemens/simatic_pcs_7
siemens/simatic_wincc < 7.4
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
siemens/simatic_wincc
... and 35 more

Timeline

Published Feb 09, 2022
Tracked Since Feb 18, 2026