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Critical severity9.9NVD Advisory· Published Nov 9, 2021· Updated Jun 17, 2026

CVE-2021-40358

CVE-2021-40358

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). Legitimate file operations on the web server of the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read, write or delete unexpected critical files.

Affected products

58
  • Siemens Foundation/Simatic Pcs77 versions
    cpe:2.3:a:siemens:simatic_pcs_7:8.2:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:a:siemens:simatic_pcs_7:8.2:*:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_pcs_7:9.0:-:*:*:*:*:*:*
    • cpe:2.3:a:siemens:simatic_pcs_7:9.1:-:*:*:*:*:*:*
    • (no CPE)range: V8.2, V9.0 < V9.0 SP3 UC04, V9.1 < V9.1 SP1
    • (no CPE)range: All versions
    • (no CPE)range: All versions < V9.0 SP3 UC04
    • (no CPE)range: All versions < V9.1 SP1
  • Siemens Foundation/Wincc49 versions
    cpe:2.3:a:siemens:simatic_wincc:15.1:-:*:*:*:*:*:*+ 48 more
    • 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: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:-:*:*:*:*:*:*
    • 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:7.4:update_1:*:*:*:*:*:*
    • 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:*:*:*:*:*:*
    • (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 5
  • Siemens Foundation/Simatic Wincc Oallm-fuzzy
    Range: V15 < V15 SP1 Update 7, V16 < V16 Update 5, V17 < V17 Update 2, V7.4 < V7.4 SP1 Update 19, V7.5 < V7.5 SP2 Update 5
  • Siemens/SIMATIC WinCC V15 and earlierv5
    Range: All versions < V15 SP1 Update 7

Patches

Vulnerability mechanics

References

1

News mentions

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