CVE-2021-28089
tor - security update
7.5
HIGH
CVSS 3.1
EPSS 1.2%
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.
How to fix CVE-2021-28089
To remediate CVE-2021-28089, upgrade the affected package to a fixed version below.
- Debian/tor—upgrade to 0.4.5.7-1 or later
- Debian/tor—upgrade to 0.3.5.14-1 or later
Is CVE-2021-28089 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.4.5.7-1
- from 0, < 0.3.5.14-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |