CVEvulnerability

CVE-2021-40363

7.8 HIGH Published 2022-02-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-02-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-312, CWE-538

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 V17 (All versions <= V17 Update 4), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The affected component stores the credentials of a local system account in a potentially publicly accessible project file using an outdated cipher algorithm. An attacker may use this to brute force the credentials and take over the system.

Affected configurations

• siemens simatic pcs 7 (<= 8.2) • siemens simatic pcs 7 9.0 • siemens simatic pcs 7 9.1 • siemens simatic wincc (< 7.4) • siemens simatic wincc 7.4 • siemens simatic wincc 7.5 • siemens simatic wincc 13 • siemens simatic wincc 14.0.1 • siemens simatic wincc 15 • siemens simatic wincc 15.1 • siemens simatic wincc 16 • siemens simatic wincc 17

Related

Weakness · CWE (2)

  • CWE-312 Cleartext Storage of Sensitive Information weakness
  • CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory weakness

References