Vulnerability in Dragonfly_project Dragonfly

CVE-2021-33564

An argument injection vulnerability in the Dragonfly gem before 1.4.0 for Ruby allows remote attackers to read and write to arbitrary files via a crafted URL when the verify_url option is disabled. This may lead to code execution. The prob…

EPSS: 0.722 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-33564?
CVE-2021-33564 is a critical-severity vulnerability in Dragonfly_project Dragonfly, classified under Argument Injection. CVSS score: 9.8/10. Published 2021-05-29.
How severe is CVE-2021-33564?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-33564 known to be exploited?
21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.