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Vulnerability record · CVE-2020-35579 · published 20 December 2020

CVE-2020-35579: Subconverter project subconverter vulnerability

Subconverter Project · Subconverter

tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the external request target may indirectly redirect back to this original /sub endpoint. Thus, a request loop and a denial of service may occur.

7.5 CVSS 3.1 High EPSS 1.2% · top 34.4%
7.5CVSS 3.1 base score, v2 5.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

tindy2013 subconverter 0.6.4 has a /sub?target=%TARGET%&url=%URL%&config=%CONFIG% API endpoint that accepts an arbitrary %URL% value and launches a GET request for it, but does not consider that the external request target may indirectly redirect back to this original /sub endpoint. Thus, a request loop and a denial of service may occur.

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

Affected products

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

References

LinkTags
https://github.com/tindy2013/subconverter/issues/284 ExploitThird Party Advisory
https://github.com/tindy2013/subconverter/issues/284 ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2022-28927Subconverter project subconverter unrestricted file upload vulnerabilityA remote code execution (RCE) vulnerability in Subconverter v0.7.2 allows attackers to execute arbitrary code via crafted config and url parameters.EPSS 34%

Source: NIST National Vulnerability Database (record CVE-2020-35579), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.