How severe is CVE-2022-40022?

CVE-2022-40022 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-2022-40022 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 92% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40022?

CVE-2022-40022 affects Microchip Syncserver S650 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40022?

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-2022-40022 published?

CVE-2022-40022 was published on 2023-02-13 and last updated on 2026-06-17.

CVE-2022-40022

CVE-2022-40022 is a critical-severity vulnerability in Microchip Syncserver S650 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 92% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 92% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Microchip Syncserver S650 Firmware
Published: 2023-02-13
Last modified: 2026-06-17

Description

Microchip Technology (Microsemi) SyncServer S650 was discovered to contain a command injection vulnerability.

Frequently asked questions

What is CVE-2022-40022?: Microchip Technology (Microsemi) SyncServer S650 was discovered to contain a command injection vulnerability.
How severe is CVE-2022-40022?: CVE-2022-40022 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-2022-40022 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 92% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40022?: CVE-2022-40022 affects Microchip Syncserver S650 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40022?: 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-2022-40022 published?: CVE-2022-40022 was published on 2023-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:microchip:syncserver_s650_firmware:-:*:*:*:*:*:*:*

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