CVE-2022-42971

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-01 · updated 2026-06-17
Weakness: CWE-434

Description

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could cause remote code execution when the attacker uploads a malicious JSP file. Affected Products: APC Easy UPS Online Monitoring Software (Windows 7, 10, 11 & Windows Server 2016, 2019, 2022 - Versions prior to V2.5-GA), APC Easy UPS Online Monitoring Software (Windows 11, Windows Server 2019, 2022 - Versions prior to V2.5-GA-01-22261), Schneider Electric Easy UPS Online Monitoring Software (Windows 7, 10, 11 & Windows Server 2016, 2019, 2022 - Versions prior to V2.5-GS), Schneider Electric Easy UPS Online Monitoring Software (Windows 11, Windows Server 2019, 2022 - Versions prior to V2.5-GS-01-22261)

Affected products

Schneider Electric APC Easy UPS Online Monitoring Software: before 2.5-ga-01-22320; before 2.5-ga — fixed in 2.5-ga, 2.5-ga-01-22320
Schneider Electric Easy UPS Online Monitoring Software: before 2.5-gs-01-22320; before 2.5-gs — fixed in 2.5-gs, 2.5-gs-01-22320

How to fix

Upgrade to a fixed version: Schneider Electric APC Easy UPS Online Monitoring Software 2.5-ga, 2.5-ga-01-22320; Schneider Electric Easy UPS Online Monitoring Software 2.5-gs, 2.5-gs-01-22320. Check the vendor advisory for mitigations.

References

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