CVE-2021-36798
First published: Mon Aug 09 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HelpSystems Cobalt Strike | =4.2 | |
| HelpSystems Cobalt Strike | =4.3 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-36798.
What is the severity of CVE-2021-36798?
The severity of CVE-2021-36798 is high with a CVSS score of 7.5.
What is the affected software?
The affected software is HelpSystems Cobalt Strike versions 4.2 and 4.3.
How does CVE-2021-36798 impact HelpSystems Cobalt Strike?
CVE-2021-36798 allows remote attackers to crash the C2 server thread and block beacons' communication with it, causing a denial-of-service (DoS) situation.
Are there any references for CVE-2021-36798?
Yes, you can find references for CVE-2021-36798 at the following links: [Link1](https://labs.sentinelone.com/hotcobalt-new-cobalt-strike-dos-vulnerability-that-lets-you-halt-operations/) and [Link2](https://www.cobaltstrike.com/releasenotes.txt).
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- agent/references
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- vendor/helpsystems
- canonical/helpsystems cobalt strike
- version/helpsystems cobalt strike/4.2
- version/helpsystems cobalt strike/4.3