// For flags

CVE-2021-22869

Improper access control in GitHub Enterprise Server allows self-hosted runners to execute outside their control group

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An improper access control vulnerability in GitHub Enterprise Server allowed a workflow job to execute in a self-hosted runner group it should not have had access to. This affects customers using self-hosted runner groups for access control. A repository with access to one enterprise runner group could access all of the enterprise runner groups within the organization because of improper authentication checks during the request. This could cause code to be run unintentionally by the incorrect runner group. This vulnerability affected GitHub Enterprise Server versions from 3.0.0 to 3.0.15 and 3.1.0 to 3.1.7 and was fixed in 3.0.16 and 3.1.8 releases.

Una vulnerabilidad de control de acceso inapropiada en GitHub Enterprise Server permitió que un trabajo de workflow se ejecutara en un grupo de ejecución auto alojado al que no debería haber tenido acceso. Esto afecta a clientes que usan grupos de ejecutores auto hosteado para el control de acceso. Un repositorio con acceso a un grupo de ejecutores de empresa podía acceder a todos los grupos de ejecutores de empresa de la organización debido a unas comprobaciones de autenticación inapropiadas durante la petición. Esto podría causar una ejecución involuntaria de código por parte del grupo de ejecutores incorrecto. Esta vulnerabilidad afectaba a las versiones de GitHub Enterprise Server desde la 3.0.0 a 3.0.15 y desde la 3.1.0 a 3.1.7 y se corrigió en las versiones 3.0.16 y 3.1.8.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-06 CVE Reserved
  • 2021-09-24 CVE Published
  • 2024-06-09 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
  • CWE-668: Exposure of Resource to Wrong Sphere
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Github
Search vendor "Github"
 Enterprise Server
Search vendor "Github" for product "Enterprise Server"
 >= 3.0.0 < 3.0.16
Search vendor "Github" for product "Enterprise Server" and version " >= 3.0.0 < 3.0.16"
-
Affected
Github
Search vendor "Github"
 Enterprise Server
Search vendor "Github" for product "Enterprise Server"
 >= 3.1.0 < 3.1.8
Search vendor "Github" for product "Enterprise Server" and version " >= 3.1.0 < 3.1.8"
-
Affected