How severe is CVE-2025-27022?

CVE-2025-27022 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-27022 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27022?

CVE-2025-27022 affects Nokia G42 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27022?

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.

Does CVE-2025-27022 have an EU (EUVD) identifier?

Yes. CVE-2025-27022 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19697.

When was CVE-2025-27022 published?

CVE-2025-27022 was published on 2025-07-02 and last updated on 2026-06-17.

CVE-2025-27022

CVE-2025-27022 is a high-severity vulnerability in Nokia G42 Firmware with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19697
Weakness: CWE-22
Affected product: Nokia G42 Firmware
Published: 2025-07-02
Last modified: 2026-06-17

Description

A path traversal vulnerability of the WebGUI HTTP endpoint in Infinera G42 version R6.1.3 allows remote authenticated users to download all OS files via HTTP requests. Details: Lack or insufficient validation of user-supplied input allows authenticated users to access all files on the target machine file system that are readable to the user account used to run the httpd service.

Frequently asked questions

What is CVE-2025-27022?: A path traversal vulnerability of the WebGUI HTTP endpoint in Infinera G42 version R6.1.3 allows remote authenticated users to download all OS files via HTTP requests. Details: Lack or insufficient validation of user-supplied input allows authenticated users to access all files on the target machine file system that are readable to the user account used to run the httpd service.
How severe is CVE-2025-27022?: CVE-2025-27022 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-27022 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27022?: CVE-2025-27022 affects Nokia G42 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27022?: 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.
Does CVE-2025-27022 have an EU (EUVD) identifier?: Yes. CVE-2025-27022 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19697.
When was CVE-2025-27022 published?: CVE-2025-27022 was published on 2025-07-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nokia:g42_firmware:*:*:*:*:*:*:*:*

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CVE-2025-27021 — High (CVSS 7.0): The misconfiguration in the sudoers configuration of the operating system in Infinera G42 version R6.1.3 allows low…
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CVE-2025-27023 — Medium (CVSS 6.5): Lack or insufficent input validation in WebGUI CLI web in Infinera G42 version R6.1.3 allows remote authenticated…
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