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High severity8.8NVD Advisory· Published Feb 9, 2022· Updated Jun 17, 2026

CVE-2021-40360

CVE-2021-40360

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.

Affected products

63
  • Siemens Foundation/Simatic Pcs77 versions
    cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*range: <=8.2
    • cpe:2.3:a:siemens:simatic_pcs_7:9.0:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_pcs_7:9.1:-:*:*:*:*:*:*
    • (no CPE)range: < V9.1 SP1
    • (no CPE)range: All versions
    • (no CPE)range: All versions
    • (no CPE)range: All versions < V9.1 SP1
  • Siemens Foundation/Wincc54 versions
    cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*+ 53 more
    • cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*range: <7.4
    • cpe:2.3:a:siemens:simatic_wincc:13:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:13:sp1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:13:sp2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:14.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_3:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_4:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_5:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15.1:update_6:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:15:*:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:16:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:16:update1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:16:update2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:16:update3:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:16:update4:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:17:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:17:update1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update10:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update11:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update12:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update13:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update14:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update15:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update16:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update17:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update18:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update3:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update4:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update5:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update6:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update7:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update8:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update9:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update1:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update2:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update3:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update4:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update5:*:*:*:*:*:*
    • (no CPE)range: All versions < V16 Update 5
    • (no CPE)range: All versions < V17 Update 2
    • (no CPE)range: All versions < V7.4 SP1 Update 19
    • (no CPE)range: All versions < V7.5 SP2 Update 6
  • Siemens Foundation/Simatic Wincc Oallm-fuzzy
    Range: < V15 SP1 Update 7
  • Siemens/SIMATIC WinCC V15 and earlierv5
    Range: All versions < V15 SP1 Update 7

Patches

Vulnerability mechanics

References

1

News mentions

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