No Restriction of Excessive Authentication Attempts in Firefly III

HIGH 7.5CVE-2021-3663 · GHSA-56cx-wf47-hx7w · Published 25/07/2021 · updated 17/06/2026

In short

CVE-2021-3663 is a HIGH (CVSS 7.5) vulnerability affecting grumpydictator/firefly-iii, firefly iii (firefly-iii).
Chance of exploitation in the next 30 days (EPSS): 0.71%, higher than 53.6% of all vulnerabilities.
Fix: update to 5.5.13 or later.

Package	Affected versions	Patched versions
grumpydictator/firefly-iii Packagist	`< 5.5.13`	`5.5.13`
firefly iii firefly-iii	`≤ 5.5.12`	No fix yet

firefly-iii is vulnerable to Improper Lack of Restriction of Excessive Authentication Attempts

NVD description

firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts

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Package

Affected versions

Patched versions

Packagist

< 5.5.13

5.5.13

≤ 5.5.12

No fix yet

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