How severe is CVE-2026-2400?

CVE-2026-2400 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-2400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2400?

CVE-2026-2400 affects Schneider-electric Powerchute Serial Shutdown. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2400?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2400 have an EU (EUVD) identifier?

Yes. CVE-2026-2400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22284.

When was CVE-2026-2400 published?

CVE-2026-2400 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-2400

CVE-2026-2400 is a medium-severity vulnerability in Schneider-electric Powerchute Serial Shutdown with a CVSS 3.x base score of 4.3. 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-93.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22284
Weakness: CWE-93
Affected product: Schneider-electric Powerchute Serial Shutdown
Published: 2026-04-14
Last modified: 2026-06-17

Description

CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability exists that could cause application user credentials to reset when a Web Admin user alters the POST /setPCBEDesc request payload.

Frequently asked questions

What is CVE-2026-2400?: CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability exists that could cause application user credentials to reset when a Web Admin user alters the POST /setPCBEDesc request payload.
How severe is CVE-2026-2400?: CVE-2026-2400 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-2400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2400?: CVE-2026-2400 affects Schneider-electric Powerchute Serial Shutdown. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2400?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2400 have an EU (EUVD) identifier?: Yes. CVE-2026-2400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22284.
When was CVE-2026-2400 published?: CVE-2026-2400 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-104-01.pdf

Affected products (1)

cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:*

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