CVE-2021-3663 Improper Restriction of Excessive Authentication Attempts in firefly-iii/firefly-iii
Firefly III lacks proper rate limiting on authentication attempts, allowing attackers to brute-force user credentials and potentially take over accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-3663?
CVE-2021-3663 is a medium-severity vulnerability in firefly-iii/firefly-iii, published on 25 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
firefly-iii is vulnerable to Improper Restriction of Excessive Authentication Attempts
Weakness: CWE-307
Which versions are affected by CVE-2021-3663?
2 open source packages ship an affected version, including grumpydictator/firefly-iii. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
grumpydictator/firefly-iii Packagist | All versions | 5.5.13 |
grumpydictator/firefly-iii Packagist | All versions | 5.5.13 |
Products include Firefly-Iii Firefly Iii.
How do I fix CVE-2021-3663?
Upgrade grumpydictator/firefly-iii to 5.5.13 or later.
Is CVE-2021-3663 being exploited?
There is no known exploitation of CVE-2021-3663 in the wild and no public exploit code.
Other vulnerabilities in firefly-iii/firefly-iii
- CVE-2023-0298 Incorrect Authorization in firefly-iii/firefly-iii
- CVE-2021-3728 Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii
- CVE-2021-3730 Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii
- CVE-2021-3846 Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii
- CVE-2024-22075 Firefly III allows webhooks HTML Injection.
Sources
Also known as GHSA-56cx-wf47-hx7w.