CVE-2021-36798

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.

References

https://github.com/sponkmonk/CobaltSploit

https://github.com/hariomenkel/CobaltSploit

https://github.com/NexusFuzzy/CobaltSploit

https://github.com/JamVayne/CobaltStrikeDos

https://github.com/M-Kings/CVE-2021-36798

https://www.cobaltstrike.com/releasenotes.txt

https://labs.sentinelone.com/hotcobalt-new-cobalt-strike-dos-vulnerability-that-lets-you-halt-operations/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS