CVE-2021-33564
CVSS v3
9.8
CRITICAL
EPSS Score
93.4 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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 occurs because the generate and process features mishandle use of the ImageMagick convert utility.
Technical details
- Published
- 2021-05-29
Frequently asked questions
What is 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 problem occurs because the generate and process features mishandle use of the ImageMagick convert utility.
Is CVE-2021-33564 actively exploited?
Active exploitation of CVE-2021-33564 has not been confirmed. The EPSS score is 93.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-33564?
CVE-2021-33564 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-33564 affecting your environment?
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