Cyber Resilience

CVE-2021-33564

CriticalPublic PoC

Published: 29 May 2021

Published
29 May 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.9336 99.8th percentile
Risk Priority 76 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33564 is a critical-severity Argument Injection (CWE-88) vulnerability in Dragonfly Project Dragonfly. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 0.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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 problem…

more

occurs because the generate and process features mishandle use of the ImageMagick convert utility.

CWE(s)
CWE-88

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dragonfly project
dragonfly
≤ 1.4.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References