CVE-2025-27021

Operating System Misconfiguration in Infinera G42

Description

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 disclosure, denial of service, and privilege escalation by tampering with kernel memory. Details: The output of "sudo -l" reports the presence of "devmem" command executable as super user without using a password. This command allows to read and write an arbitrary memory area of the target device, specifying an absolute address.

Category

7.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.01%
Affected: Infinera G42
Published at:
Updated at:

References

Link Tags
https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27021 government resource
https://euvd.enisa.europa.eu/vulnerability/CVE-2025-27021 vdb entry

Frequently Asked Questions

What is the severity of CVE-2025-27021?
CVE-2025-27021 has been scored as a high severity vulnerability.
How to fix CVE-2025-27021?
To fix CVE-2025-27021, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-27021 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-27021 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-27021?
CVE-2025-27021 affects Infinera G42.
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