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ICSA-24-277-02: Subnet Solutions Inc. PowerSYSTEM Center ↗ source

October 3, 2024 CISA ICS Advisory

Summary

Successful exploitation of these vulnerabilities could result in an attacker bypassing a proxy, creating a denial-of-service condition, or viewing sensitive information. CVE-2020-28168: Vulnerable versions of PowerSYSTEM Center utilize Axios NPM package 0.21.0, which contains a Server-Side Request Forgery (SSRF) vulnerability where an attacker is able to bypass a proxy by providing a URL that responds with a redirect to a restricted host or IP address. CVE-2021-3749: Vulnerable versions of PowerSYSTEM Center utilize Axios, which is vulnerable to Inefficient Regular Expression Complexity. CVE-2023-45857: Vulnerable versions of PowerSYSTEM Center utilize Axios 1.5.1, which can inadvertently reveal the confidential XSRF-TOKEN stored in cookies by including it in the HTTP header X-XSRF-TOKEN for every request made to any host, allowing attackers to view sensitive information.

Advisory Details CISA ICS CSAF feed

Advisory ID
ICSA-24-277-02
Status
Final · version 1
Initial release
2024-10-01
Last revised
2024-10-01
Vendor
Subnet Solutions Inc.
Critical infrastructure sectors
Critical Manufacturing, Energy
Deployed
Worldwide
Vendor headquarters
Canada

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

Do not click web links or open attachments in unsolicited email messages.

Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.

Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

Credit: Subnet Solutions Inc

Affected products (1)
  • PowerSYSTEM Center — <=PSC_2020_v5.21.x

From CISA's machine-readable CSAF 2.0 advisory (JSON).

Vulnerabilities as Stated by the Advisory

CVEWeaknessCVSS v3Details
CVE-2021-3749 CWE-1333 Inefficient Regular Expression Complexity 7.5 High Vulnerable versions of PowerSYSTEM Center utilize Axios, which is vulnerable to Inefficient Regular Expression Complexity.

Vendor fix: Subnet Solutions Inc. recommends users update to PowerSYSTEM Center 2020 Update 22, which can be located in the PowerSYSTEM Center by accessing Settings > Overview > Version. Users may also contact Subnet Solution's Customer Service ↗

Mitigation: Subnet Solutions Inc. strongly recommends users update to the latest version. If this is not possible, the following paragraphs describe the security control compensation(s), mitigation(s), or workaround(s) available for identified vulnerabilities:

Mitigation: For all vulnerabilities, users can disable usage of previous UI extensions.

Affected, fixed & timeline

Affected:

  • PowerSYSTEM Center <=PSC_2020_v5.21.x

Vendor fix: For CVE-2023-45857 and CVE-2021-3749, users can disable PowerSYSTEM Center Client Access Server user's ability to access the browser's F12 Developer Tools to limit user ability to see HTTP headers and corresponding XSRF-TOKEN, and to manipulate requests to the PowerSYSTEM Center website.

CVE-2023-45857 CWE-352 Cross-Site Request Forgery (CSRF) 6.5 Medium Vulnerable versions of PowerSYSTEM Center utilize Axios 1.5.1, which can inadvertently reveal the confidential XSRF-TOKEN stored in cookies by including it in the HTTP header X-XSRF-TOKEN for every request made to any host, allowing attackers to view sensitive information.

Vendor fix: Subnet Solutions Inc. recommends users update to PowerSYSTEM Center 2020 Update 22, which can be located in the PowerSYSTEM Center by accessing Settings > Overview > Version. Users may also contact Subnet Solution's Customer Service ↗

Mitigation: Subnet Solutions Inc. strongly recommends users update to the latest version. If this is not possible, the following paragraphs describe the security control compensation(s), mitigation(s), or workaround(s) available for identified vulnerabilities:

Mitigation: For all vulnerabilities, users can disable usage of previous UI extensions.

Affected, fixed & timeline

Affected:

  • PowerSYSTEM Center <=PSC_2020_v5.21.x

Vendor fix: For CVE-2020-28168 and CVE-2023-45857, users can limit outbound connection requests from the PowerSYSTEM Center security zone to external websites.

Vendor fix: For CVE-2023-45857 and CVE-2021-3749, users can disable PowerSYSTEM Center Client Access Server user's ability to access the browser's F12 Developer Tools to limit user ability to see HTTP headers and corresponding XSRF-TOKEN, and to manipulate requests to the PowerSYSTEM Center website.

CVE-2020-28168 CWE-918 Server-Side Request Forgery (SSRF) 5.9 Medium Vulnerable versions of PowerSYSTEM Center utilize Axios NPM package 0.21.0, which contains a Server-Side Request Forgery (SSRF) vulnerability where an attacker is able to bypass a proxy by providing a URL that responds with a redirect to a restricted host or IP address.

Vendor fix: Subnet Solutions Inc. recommends users update to PowerSYSTEM Center 2020 Update 22, which can be located in the PowerSYSTEM Center by accessing Settings > Overview > Version. Users may also contact Subnet Solution's Customer Service ↗

Mitigation: Subnet Solutions Inc. strongly recommends users update to the latest version. If this is not possible, the following paragraphs describe the security control compensation(s), mitigation(s), or workaround(s) available for identified vulnerabilities:

Mitigation: For all vulnerabilities, users can disable usage of previous UI extensions.

Affected, fixed & timeline

Affected:

  • PowerSYSTEM Center <=PSC_2020_v5.21.x

Vendor fix: For CVE-2020-28168 and CVE-2023-45857, users can limit outbound connection requests from the PowerSYSTEM Center security zone to external websites.

Scores and weakness types are as CISA or the republishing vendor stated them in this advisory; the linked CVE pages carry the independently enriched CVSS and SSVC assessments.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2021-3749 7.5 High axios axios/axios axios is vulnerable to Inefficient Regular Expression Complexity
CVE-2020-28168 — n/a n/a Axios NPM package 0.21.0 contains a Server-Side Request Forgery (SSRF) vulnerability where an attacker is able to bypass a proxy by providing a URL t…
CVE-2023-45857 — n/a n/a An issue discovered in Axios 1.5.1 inadvertently reveals the confidential XSRF-TOKEN stored in cookies by including it in the HTTP header X-XSRF-TOKE…

Named by the advisory itself. Each CVE links to its tracked detail page.

Vendors Named in This Publication

No KEV-catalogued vendors are named in this publication.