CVE-2021-36798

PoC —

CVSS 3.1

7.5 high

EPSS

4%p91

Published

Aug 9, 2021 (Aug 9, 2021)

Modified

Jun 17, 2026

Description

A Denial-of-Service (DoS) vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it.

Vendors: helpsystems
Products: cobalt strike
Weakness: CWE-770
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 (4.3%)

In the news0 stories

No ingested article mentions this CVE yet.