Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nokia | G42 Firmware | >= 6.1.3, < 7.1 |
| Nokia | G42 | - |
Related Weaknesses (CWE)
References
- https://euvd.enisa.europa.eu/vulnerability/CVE-2025-27021Third Party Advisory
- https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27021Third Party Advisory
FAQ
What is CVE-2025-27021?
CVE-2025-27021 is a vulnerability with a CVSS score of 7.0 (HIGH). 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. T...
How severe is CVE-2025-27021?
CVE-2025-27021 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-27021?
Check the references section above for vendor advisories and patch information. Affected products include: Nokia G42 Firmware, Nokia G42.