What is CVE-2024-21418?

CVE-2024-21418 is a high-severity vulnerability in Linuxfoundation Software For Open Networking In The Cloud, classified under Improper Access Control. CVSS score: 7.8/10. Published 2024-03-12.

How severe is CVE-2024-21418?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2024-21418 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linuxfoundation Software For Open Networking In The Cloud

CVE-2024-21418

Software for Open Networking in the Cloud (SONiC) Elevation of Privilege Vulnerability

Published 2024-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21418 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2024-21418?: CVE-2024-21418 is a high-severity vulnerability in Linuxfoundation Software For Open Networking In The Cloud, classified under Improper Access Control. CVSS score: 7.8/10. Published 2024-03-12.
How severe is CVE-2024-21418?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2024-21418 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.