Vulnerability Database

289,689

Total vulnerabilities in the database

CVE-2021-40364

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.

  • Published: Nov 9, 2021
  • Updated: May 4, 2025
  • CVE: CVE-2021-40364
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
siemens / simatic_wincc - 7.4.x
siemens / simatic_pcs_7 - 8.2.x
siemens / simatic_wincc 7.5-sp1 7.5-sp1.x
siemens / simatic_wincc 7.5-sp1_update1 7.5-sp1_update1.x
siemens / simatic_wincc 7.5-sp1_update2 7.5-sp1_update2.x
siemens / simatic_wincc 7.5 7.5.x
siemens / simatic_wincc 16 16.x
siemens / simatic_wincc 7.5-sp2 7.5-sp2.x
siemens / simatic_wincc 7.5-sp2_update1 7.5-sp2_update1.x
siemens / simatic_wincc 7.5-sp2_update2 7.5-sp2_update2.x
siemens / simatic_wincc 7.5-sp2_update3 7.5-sp2_update3.x
siemens / simatic_wincc 7.5-sp2_update4 7.5-sp2_update4.x
siemens / simatic_wincc 15 15.x
siemens / simatic_wincc 17-update1 17-update1.x
siemens / simatic_wincc 17 17.x
siemens / simatic_wincc 16-update1 16-update1.x
siemens / simatic_wincc 16-update2 16-update2.x
siemens / simatic_wincc 16-update3 16-update3.x
siemens / simatic_wincc 16-update4 16-update4.x
siemens / simatic_pcs_7 9.1 9.1.x
siemens / simatic_pcs_7 9.0 9.1