CVEvulnerability

CVE-2021-40364

5.5 MEDIUM Published 2021-11-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-532

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), 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 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.

Affected configurations

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

Related

Weakness · CWE (1)

  • CWE-532 Insertion of Sensitive Information into Log File weakness

References