SARA / Free Tools / CVE / CVE-2022-42971

CVE-2022-42971 — A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists

CVSS

9.8 CRITICAL

EPSS

3.35% (top 12.80%)

CWE

CWE-434

Published

2023-02-01T00:00:00.000Z

Last modified

2025-02-05T20:16:59.507Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
Schneider Electric	APC Easy UPS Online Monitoring Software	Windows 7, 10, 11 Windows Server 2016, 2019, 2022
Schneider Electric	APC Easy UPS Online Monitoring Software	(Windows 11, Windows Server 2019, 2022
Schneider Electric	Schneider Electric Easy UPS Online Monitoring Software	Windows 7, 10, 11 Windows Server 2016, 2019, 2022
Schneider Electric	Schneider Electric Easy UPS Online Monitoring Software	Windows 11, Windows Server 2019, 2022

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2023-02-01T00:00:00.000Z
Last modified: 2025-02-05T20:16:59.507Z

09References

download.schneider-electric.com — https://download.schneider-electric.com/files?p_Doc_SEVD-2022-347-01&p_enDocType…

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