CVE-2021-40359

Description

A vulnerability has been identified in OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions < V9.0 Upd4), OpenPCS 7 V9.1 (All versions), SIMATIC BATCH V8.2 (All versions), SIMATIC BATCH V9.0 (All versions), SIMATIC BATCH V9.1 (All versions), SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC NET PC Software V16 (All versions < V16 Update 6), SIMATIC NET PC Software V17 (All versions < V17 SP1), 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 Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions), SIMATIC Route Control V9.1 (All versions), 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). When downloading files, 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 unexpected critical files.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory siemens.com
Affected: Siemens OpenPCS 7 V8.2
Affected: Siemens OpenPCS 7 V9.0
Affected: Siemens OpenPCS 7 V9.1
Affected: Siemens SIMATIC BATCH V8.2
Affected: Siemens SIMATIC BATCH V9.0
Affected: Siemens SIMATIC BATCH V9.1
Affected: Siemens SIMATIC NET PC Software V14
Affected: Siemens SIMATIC NET PC Software V15
Affected: Siemens SIMATIC NET PC Software V16
Affected: Siemens SIMATIC NET PC Software V17
Affected: Siemens SIMATIC PCS 7 V8.2
Affected: Siemens SIMATIC PCS 7 V9.0
Affected: Siemens SIMATIC PCS 7 V9.1
Affected: Siemens SIMATIC Route Control V8.2
Affected: Siemens SIMATIC Route Control V9.0
Affected: Siemens SIMATIC Route Control V9.1
Affected: Siemens SIMATIC WinCC V15 and earlier
Affected: Siemens SIMATIC WinCC V16
Affected: Siemens SIMATIC WinCC V17
Affected: Siemens SIMATIC WinCC V7.4
Affected: Siemens SIMATIC WinCC V7.5
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40359?
CVE-2021-40359 has been scored as a high severity vulnerability.
How to fix CVE-2021-40359?
To fix CVE-2021-40359, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40359 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-40359 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-40359?
CVE-2021-40359 affects Siemens OpenPCS 7 V8.2, Siemens OpenPCS 7 V9.0, Siemens OpenPCS 7 V9.1, Siemens SIMATIC BATCH V8.2, Siemens SIMATIC BATCH V9.0, Siemens SIMATIC BATCH V9.1, Siemens SIMATIC NET PC Software V14, Siemens SIMATIC NET PC Software V15, Siemens SIMATIC NET PC Software V16, Siemens SIMATIC NET PC Software V17, Siemens SIMATIC PCS 7 V8.2, Siemens SIMATIC PCS 7 V9.0, Siemens SIMATIC PCS 7 V9.1, Siemens SIMATIC Route Control V8.2, Siemens SIMATIC Route Control V9.0, Siemens SIMATIC Route Control V9.1, Siemens SIMATIC WinCC V15 and earlier, Siemens SIMATIC WinCC V16, Siemens SIMATIC WinCC V17, Siemens SIMATIC WinCC V7.4, Siemens SIMATIC WinCC V7.5.
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