CVE-2021-43996

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 67.4%
KEV: Not listed

Published

November 17, 2021

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 26, 2026

Patch available. Sources: github_pr.

github_pr Patch Available

Remove ability to fix variable names (v1)

Patch available: facade/ignition 1.17.0 (PR #285 merged 2020-07-13)

https://github.com/facade/ignition/pull/285

generic

Comparing 2.0.5...2.0.6 · facade/ignition · GitHub

https://github.com/facade/ignition/compare/2.0.5...2.0.6

generic

Comparing 1.16.14...1.16.15 · facade/ignition · GitHub

https://github.com/facade/ignition/compare/1.16.14...1.16.15

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
facade/ignition	2.0.0, 2.0.1, 2.0.2, 2.0.4, 2.0.5	2.0.6	—

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:24 UTCEG score recompute
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-43996?

CVE-2021-43996 is a critical vulnerability published on November 17, 2021. 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.

When was CVE-2021-43996 disclosed?

CVE-2021-43996 was first published in the National Vulnerability Database on November 17, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-43996 actively exploited?

CVE-2021-43996 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-43996?

CVE-2021-43996 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-43996?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43996, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-43996

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