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Vulnerability Details : CVE-2021-40358

A vulnerability has been identified in 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 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). Legitimate file operations on the web server of 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, write or delete unexpected critical files.
Publish Date : 2021-11-09 Last Update Date : 2022-05-20
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Directory traversal
CWE ID 22

- Products Affected By CVE-2021-40358

# Product Type Vendor Product Version Update Edition Language
1 Application Siemens Simatic Pcs 7 * * * * Version Details Vulnerabilities
2 Application Siemens Simatic Pcs 7 9.1 * * * Version Details Vulnerabilities
3 Application Siemens Simatic Wincc * * * * Version Details Vulnerabilities
4 Application Siemens Simatic Wincc 16 Update2 * * Version Details Vulnerabilities
5 Application Siemens Simatic Wincc 16 Update3 * * Version Details Vulnerabilities
6 Application Siemens Simatic Wincc 16 Update4 * * Version Details Vulnerabilities
7 Application Siemens Simatic Wincc 16 Update1 * * Version Details Vulnerabilities
8 Application Siemens Simatic Wincc 17 * * * Version Details Vulnerabilities
9 Application Siemens Simatic Wincc 17 Update1 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Siemens Simatic Pcs 7 2
Siemens Simatic Wincc 7

- References For CVE-2021-40358

https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf

- Metasploit Modules Related To CVE-2021-40358

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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