Is CVE-2020-35579 actively exploited?

No active exploitation of CVE-2020-35579 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-35579 be exploited remotely?

Yes. CVE-2020-35579 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-35579?

CVE-2020-35579 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2020-35579

NVD-CWE-OtherPublished: December 20, 2020· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-35579 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.