CVE-2021-3921 Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii
Attackers can trick authenticated users into performing unintended actions in Firefly III, potentially modifying financial data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-3921?
CVE-2021-3921 is a medium-severity vulnerability in firefly-iii/firefly-iii, published on 13 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
firefly-iii is vulnerable to Cross-Site Request Forgery (CSRF)
Weakness: CWE-352
Which versions are affected by CVE-2021-3921?
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 | 5.6.3 |
grumpydictator/firefly-iii Packagist | All versions | 5.6.3 |
Products include Firefly-Iii Firefly Iii.
How do I fix CVE-2021-3921?
Upgrade grumpydictator/firefly-iii to 5.6.3 or later.
Is CVE-2021-3921 being exploited?
There is no known exploitation of CVE-2021-3921 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-q2cv-94xm-qvg4.