CVE-2021-3819 is a Cross-Site Request Forgery (CSRF) vulnerability affecting Firefly III, a personal finance manager. This high-severity flaw (CVSS 8.8) allows an unauthenticated attacker to trick a logged-in user into performing unintended actions, potentially leading to high impact on confidentiality, integrity, and availability. While the vulnerability is not listed on the KEV catalog and lacks public exploit code (Metasploit, Nuclei, ExploitDB), it has received minimal community discussion or media coverage. Organizations using Firefly III should be aware of this risk and implement appropriate mitigation strategies.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.6.1CPE matchmatch criteria | cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.