VulnerabilityModified

CVE-2022-40176

HIGH 8.0EPSS 1.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability has been identified in Desigo PXM30-1 (All versions < V02.20.126.11-41), Desigo PXM30.E (All versions < V02.20.126.11-41), Desigo PXM40-1 (All versions < V02.20.126.11-41), Desigo PXM40.E (All versions < V02.20.126.11-41), Desigo PXM50-1 (All versions < V02.20.126.11-41), Desigo PXM50.E (All versions < V02.20.126.11-41), PXG3.W100-1 (All versions < V02.20.126.11-37), PXG3.W100-2 (All versions < V02.20.126.11-41), PXG3.W200-1 (All versions < V02.20.126.11-37), PXG3.W200-2 (All versions < V02.20.126.11-41). There exists an Improper Neutralization of Special Elements used in an OS Command with root privileges during a restore operation due to the missing validation of the names of files included in the input package. By restoring a specifically crafted package, a remote low-privileged attacker can execute arbitrary system commands with root privileges on the device, leading to a full compromise.

CVSS 3.1: 8.0 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS: 1.19% probability · 66th percentile
CISA KEV: Not listed
Weakness: CWE-78
Affected: siemens/desigo pxm30-1 firmware · siemens/desigo pxm30.e firmware · siemens/desigo pxm40-1 firmware · siemens/desigo pxm40.e firmware · siemens/desigo pxm50-1 firmware · siemens/desigo pxm50.e firmware · siemens/pxg3.w100-1 firmware · siemens/pxg3.w100-2 firmware · siemens/pxg3.w200-1 firmware · siemens/pxg3.w200-2 firmware
Source: productcert@siemens.com

References

https://cert-portal.siemens.com/productcert/pdf/ssa-360783.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-360783.pdfPatch, Vendor Advisory

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