AUGUST 4, 2026
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Case File

CVE-2021-28089

HIGH · CVSS 7.5 EPSS 1.67%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-19 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable.

CVE
CVE-2021-28089
Severity
HIGH
CVSS
7.5
EPSS
1.67%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)