// For flags

CVE-2021-36798

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se ha detectado una vulnerabilidad de Denegación de Servicio (DoS) en Team Server en HelpSystems Cobalt Strike versiones 4.2 y 4.3. Permite a atacantes remotos bloquear el hilo del servidor C2 y la comunicación de las balizas con él

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-19 CVE Reserved
  • 2021-08-09 CVE Published
  • 2021-08-19 First Exploit
  • 2024-04-24 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Helpsystems
Search vendor "Helpsystems"
 Cobalt Strike
Search vendor "Helpsystems" for product "Cobalt Strike"
 4.2
Search vendor "Helpsystems" for product "Cobalt Strike" and version "4.2"
-
Affected
Helpsystems
Search vendor "Helpsystems"
 Cobalt Strike
Search vendor "Helpsystems" for product "Cobalt Strike"
 4.3
Search vendor "Helpsystems" for product "Cobalt Strike" and version "4.3"
-
Affected