How severe is CVE-2022-22723?

CVE-2022-22723 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-22723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22723?

CVE-2022-22723 affects Schneider-electric Easergy P5 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22723?

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

When was CVE-2022-22723 published?

CVE-2022-22723 was published on 2022-02-04 and last updated on 2026-06-17.

CVE-2022-22723

CVE-2022-22723 is a high-severity vulnerability in Schneider-electric Easergy P5 Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Schneider-electric Easergy P5 Firmware
Published: 2022-02-04
Last modified: 2026-06-17

Description

A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could lead to a buffer overflow causing program crashes and arbitrary code execution when specially crafted packets are sent to the device over the network. Protection functions and tripping function via GOOSE can be impacted. Affected Product: Easergy P5 (All firmware versions prior to V01.401.101)

Frequently asked questions

What is CVE-2022-22723?: A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could lead to a buffer overflow causing program crashes and arbitrary code execution when specially crafted packets are sent to the device over the network. Protection functions and tripping function via GOOSE can be impacted. Affected Product: Easergy P5 (All firmware versions prior to V01.401.101)
How severe is CVE-2022-22723?: CVE-2022-22723 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-22723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22723?: CVE-2022-22723 affects Schneider-electric Easergy P5 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22723?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-22723 published?: CVE-2022-22723 was published on 2022-02-04 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-03

Affected products (1)

cpe:2.3:o:schneider-electric:easergy_p5_firmware:*:*:*:*:*:*:*:*

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