Back to Database
Status published
High
CVE-2021-36798
A Denial-of-Service (DoS) vulnerability was discovered in Team Server in...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-36798
Credits & Attribution
No credits recorded in the NVD database.
References
More from helpsystems
View All →CVE-2022-42948
Cobalt Strike 4.7.1 fails to properly escape HTML tags when...
Unknown
0
CVE-2022-39197
An XSS (Cross Site Scripting) vulnerability was found in HelpSystems...
Unknown
0
CVE-2022-23317
CobaltStrike <=4.5 HTTP(S) listener does not determine whether the request...
High
7.5
CVE-2021-46830
A path traversal vulnerability exists within GoAnywhere MFT before 6.8.3...
Medium
6.5
CVE-2021-43708
The Labeling tool in Titus Classification Suite 18.8.1910.140 allows users...
Medium
5.5
Affected Vendor
helpsystems
View all reports →Affected Software
cobalt strike
Vulnerable Versions:
4.2, 4.3
Timeline
Official Publish:
August 9th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.