Improper control flow in GitHub Enterprise Server hosted Pages leads to remote code execution
CVE-2021-41599

8.8HIGH

Key Information:

Vendor

Github
Status
Github Enterprise Server
Vendor
CVE Published:
18 February 2022

What is CVE-2021-41599?

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.21, 3.1.13, 3.2.5. This vulnerability was reported via the GitHub Bug Bounty program.

Affected Version(s)

GitHub Enterprise Server 3.0 < 3.0.21

GitHub Enterprise Server 3.1 < 3.1.13

GitHub Enterprise Server 3.2 < 3.2.5

References

https://docs.github.com/en/enterprise-server%403.0/admin/...
x_refsource_MISC
https://docs.github.com/en/enterprise-server%403.1/admin/...
x_refsource_MISC
https://docs.github.com/en/enterprise-server%403.2/admin/...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

yvvdwf
.
CVE-2021-41599 : Improper control flow in GitHub Enterprise Server hosted Pages leads to remote code execution