What is CVE-2021-43996?

CVE-2021-43996 is a critical-severity vulnerability in Facade Ignition. CVSS score: 9.8/10. Published 2021-11-17.

How severe is CVE-2021-43996?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Facade Ignition

CVE-2021-43996

The Ignition component before 1.16.15, and 2.0.x before 2.0.6, for Laravel has a "fix variable names" feature that can lead to incorrect access control.

Published 2021-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.7th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.001

Affected products

Facade Ignition

References

github.com/facade/ignition/compare/1.16.14...1.16.15 (Patch, Third Party Advisory)
github.com/facade/ignition/compare/2.0.5...2.0.6 (Patch, Third Party Advisory)
github.com/facade/ignition/pull/285 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-43996?: CVE-2021-43996 is a critical-severity vulnerability in Facade Ignition. CVSS score: 9.8/10. Published 2021-11-17.
How severe is CVE-2021-43996?: Critical severity. CVSS v3 base score is 9.8 out of 10.