CVE-2021-28089

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CVSS 3.1

7.5 high

EPSS

2%p75

Published

Mar 19, 2021 (Mar 19, 2021)

Modified

Jun 17, 2026

Description

Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.

Vendors: torproject fedoraproject
Products: tor, fedora
Weakness: CWE-400
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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