SEPTEMBER 15, 2026
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Case File

CVE-2021-36798

HIGH · CVSS 7.5 EPSS 4.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-09 · 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. It may lead to a denial-of-service condition.

CVE
CVE-2021-36798
Severity
HIGH
CVSS
7.5
EPSS
4.29%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)