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Vulnerability record · CVE-2021-33473 · published 2 June 2022

CVE-2021-33473: Dragonfly project dragonfly argument injection vulnerability

Dragonfly Project · Dragonfly

An argument injection vulnerability in Dragonfly Ruby Gem v1.3.0 allows attackers to read and write arbitrary files when the verify_url option is disabled. This vulnerability is exploited via a crafted URL.

9.1 CVSS 3.1 Critical EPSS 1.1% · top 35.9% CWE-88 · Argument injection
9.1CVSS 3.1 base score, v2 4.9
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An argument injection vulnerability in Dragonfly Ruby Gem v1.3.0 allows attackers to read and write arbitrary files when the verify_url option is disabled. This vulnerability is exploited via a crafted URL.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5 PatchThird Party Advisory
https://github.com/markevans/dragonfly/issues/513 Issue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20220715-0004/ Third Party Advisory
https://github.com/markevans/dragonfly/commit/25399297bb457f7fcf8e3f91e85945b255b111b5 PatchThird Party Advisory
https://github.com/markevans/dragonfly/issues/513 Issue TrackingThird Party Advisory
https://security.netapp.com/advisory/ntap-20220715-0004/ Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-33473), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.