What is CVE-2025-27021?

CVE-2025-27021 is a high-severity vulnerability in Infinera G42, classified under Incorrect Privilege Assignment. CVSS score: 7.0/10. Published 2025-07-02.

How severe is CVE-2025-27021?

High severity. CVSS v3 base score is 7.0 out of 10.

Privilege escalation in Infinera G42

CVE-2025-27021

The misconfiguration in the sudoers configuration of the operating system in Infinera G42 version R6.1.3 allows low privileged OS users to read/write physical memory via devmem command line tool. This could allow sensitive information…

EPSS: 0.001 (3.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (Third Party Advisory, government-resource)
a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2025-27021?: CVE-2025-27021 is a high-severity vulnerability in Infinera G42, classified under Incorrect Privilege Assignment. CVSS score: 7.0/10. Published 2025-07-02.
How severe is CVE-2025-27021?: High severity. CVSS v3 base score is 7.0 out of 10.