CVE-2021-3846 Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii
Attackers can upload dangerous file types to Firefly III, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-3846?
CVE-2021-3846 is a medium-severity vulnerability in firefly-iii/firefly-iii, published on 19 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type
Weakness: CWE-434
Which versions are affected by CVE-2021-3846?
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 | 5.6.2 |
grumpydictator/firefly-iii Packagist | All versions | 5.6.2 |
Products include Firefly-Iii Firefly Iii.
How do I fix CVE-2021-3846?
Upgrade grumpydictator/firefly-iii to 5.6.2 or later.
Is CVE-2021-3846 being exploited?
There is no known exploitation of CVE-2021-3846 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-2024-22075 Firefly III allows webhooks HTML Injection.
- CVE-2019-14667 Cross-site scripting in n/a
Sources
Also known as GHSA-5gq7-826w-8282.