How severe is CVE-2022-42971?

CVE-2022-42971 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-42971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42971?

CVE-2022-42971 primarily affects Schneider-electric Apc Easy Ups Online Monitoring Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42971?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-42971 published?

CVE-2022-42971 was published on 2023-02-01 and last updated on 2026-06-17.

CVE-2022-42971

CVE-2022-42971 is a critical-severity vulnerability in Schneider-electric Apc Easy Ups Online Monitoring Software with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Schneider-electric Apc Easy Ups Online Monitoring Software
Published: 2023-02-01
Last modified: 2026-06-17

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)

Frequently asked questions

What is CVE-2022-42971?: 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)
How severe is CVE-2022-42971?: CVE-2022-42971 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-42971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42971?: CVE-2022-42971 primarily affects Schneider-electric Apc Easy Ups Online Monitoring Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-42971 published?: CVE-2022-42971 was published on 2023-02-01 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_SEVD-2022-347-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-347-01_Easy_UPS_Online_Monitoring_Software_Security_Notification.pdf

Affected products (2)

cpe:2.3:a:schneider-electric:apc_easy_ups_online_monitoring_software:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:easy_ups_online_monitoring_software:*:*:*:*:*:*:*:*

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