CVE-2022-38465

A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINUMERIK MC (All versions < V6.21), SINUMERIK ONE (All versions < V6.21). Affected products protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication. This could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.

Published: 2022-10-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-38465 is rated Moderate Risk (50.1/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.16%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-38465

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-17 0.11% 0.16% +0.05%
2 2025-11-21 0.05% 0.11% +0.06%
3 2025-11-18 — 0.05% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-38465

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 3.1 CRITICAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.5 6.0 [email protected]
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]

Weakness enumeration for CVE-2022-38465

Affected software / configurations for CVE-2022-38465

Vendor Product Version Raw CPE
siemens simatic_et_200_sp_open_controller_cpu_1515sp_pc2_firmware < 21.9 cpe:2.3:o:siemens:simatic_et_200_sp_open_controller_cpu_1515sp_pc2_firmware:*:*:*:*:*:*:*:*
siemens simatic_et_200_sp_open_controller_cpu_1515sp_pc_firmware — cpe:2.3:o:siemens:simatic_et_200_sp_open_controller_cpu_1515sp_pc_firmware:*:*:*:*:*:*:*:*
siemens simatic_drive_controller_cpu_1504d_tf_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_drive_controller_cpu_1504d_tf_firmware:*:*:*:*:*:*:*:*
siemens simatic_drive_controller_cpu_1507d_tf_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_drive_controller_cpu_1507d_tf_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1211c_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1211c_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1212c_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1212c_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1212fc_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1212fc_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1214fc_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1214fc_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1214c_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1214c_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1215fc_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1215fc_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1215c_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1215c_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1200_cpu_12_1217c_firmware < 4.5.0 cpe:2.3:o:siemens:simatic_s7-1200_cpu_12_1217c_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1510sp-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1510sp_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1511-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_151511c-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_151511c-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_151511f-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_151511f-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1511t-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511t-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1511tf-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511tf-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1512c-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512c-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1512sp-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512sp-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1512spf-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512spf-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1513-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1513f-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513f-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1513r-1_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513r-1_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_15prof-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_15prof-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_15pro-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_15pro-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1515-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1515f-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515f-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1515r-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515r-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1515t-2_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515t-2_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1516pro_f_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516pro_f_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1516-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1516f-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516f-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1516t-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516t-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1516tf-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516tf-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1517-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1517f-3_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517f-3_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1518-4_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1518f-4_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518f-4_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1518hf-4_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518hf-4_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1518t-4_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518t-4_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_cpu_1518tf-4_firmware < 2.9.2 cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518tf-4_firmware:*:*:*:*:*:*:*:*
siemens simatic_s7-1500_software_controller < 21.9 cpe:2.3:a:siemens:simatic_s7-1500_software_controller:*:*:*:*:*:*:*:*
siemens simatic_s7-plcsim_advanced_firmware < 4.0 cpe:2.3:o:siemens:simatic_s7-plcsim_advanced_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-38465

cvelogic Threat Intelligence