SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-38773

With this the integrity of the code executed on the device can not be validated during load-time.

MEDIUM 6.8EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.29% probability · 22th percentile
CISA KEV
Not listed
Weakness
CWE-1326
Affected
siemens/simatic drive controller cpu 1504d tf firmware · siemens/simatic drive controller cpu 1507d tf firmware · siemens/simatic s7-1500 cpu 1510sp f-1 pn firmware · siemens/simatic s7-1500 cpu 1510sp-1 pn firmware · siemens/simatic s7-1500 cpu 1511-1 pn firmware · siemens/simatic s7-1500 cpu 1511c-1 pn firmware · siemens/simatic s7-1500 cpu 1511f-1 pn firmware · siemens/simatic s7-1500 cpu 1511t-1 pn firmware · siemens/simatic s7-1500 cpu 1511tf-1 pn firmware · siemens/simatic s7-1500 cpu 1512c-1 pn firmware · siemens/simatic s7-1500 cpu 1512sp f-1 pn firmware · siemens/simatic s7-1500 cpu 1512sp-1 pn firmware · siemens/simatic s7-1500 cpu 1513-1 pn firmware · siemens/simatic s7-1500 cpu 1513f-1 pn firmware · siemens/simatic s7-1500 cpu 1513r-1 pn firmware · siemens/simatic s7-1500 cpu 1515-2 pn firmware · siemens/simatic s7-1500 cpu 1515f-2 pn firmware · siemens/simatic s7-1500 cpu 1515r-2 pn firmware · siemens/simatic s7-1500 cpu 1515t-2 pn firmware · siemens/simatic s7-1500 cpu 1515tf-2 pn firmware · +40 more
Source
productcert@siemens.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.