How severe is CVE-2022-38773?

CVE-2022-38773 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-38773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38773?

CVE-2022-38773 primarily affects Siemens Simatic Drive Controller Cpu 1504d Tf Firmware. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-38773?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-38773 published?

CVE-2022-38773 was published on 2023-01-10 and last updated on 2026-06-17.

CVE-2022-38773

CVE-2022-38773 is a medium-severity vulnerability in Siemens Simatic Drive Controller Cpu 1504d Tf Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1326.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1326
Affected product: Siemens Simatic Drive Controller Cpu 1504d Tf Firmware
Published: 2023-01-10
Last modified: 2026-06-17

Description

Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of the code executed on the device can not be validated during load-time. An attacker with physical access to the device could use this to replace the boot image of the device and execute arbitrary code.

Frequently asked questions

What is CVE-2022-38773?: Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of the code executed on the device can not be validated during load-time. An attacker with physical access to the device could use this to replace the boot image of the device and execute arbitrary code.
How severe is CVE-2022-38773?: CVE-2022-38773 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-38773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38773?: CVE-2022-38773 primarily affects Siemens Simatic Drive Controller Cpu 1504d Tf Firmware. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-38773?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-38773 published?: CVE-2022-38773 was published on 2023-01-10 and last updated on 2026-06-17.

References

Affected products (70)

cpe:2.3:o:siemens:simatic_drive_controller_cpu_1504d_tf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_drive_controller_cpu_1507d_tf_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp_f-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1510sp-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511c-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511f-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511t-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1511tf-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512c-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512sp_f-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1512sp-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513f-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513r-1_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515f-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515r-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515t-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1515tf-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516f-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516t-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1516tf-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517f-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517h-3_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517t-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1517tf-3_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4_pn\/dp_mfp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518-4f_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518f-4_pn\/dp_mfp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518hf-4_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518t-4_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1518tf-4_pn\/dp_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_s7-1518-4_pn\/dp_odk_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_s7-1518f-4_pn\/dp_odk_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513pro_f-2_pn_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-1500_cpu_1513pro-2_pn_firmware:-:*:*:*:*:*:*:*

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