CVE-2021-22870 Path traversal in GitHub Enterprise Server hosted Pages leads to unauthorized file read access

2021-11-1001:55:11

CWE-23

GitHub_P

www.cve.org

cve-2021-22870; github enterprise server; path traversal; unauthorized file read access; vulnerability; github pages; system files; attack; permission; github bug bounty

EPSS

0.001

Percentile

51.1%

JSON

A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. 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 3.0.19, 3.1.11, and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.

CNA Affected

[
  {
    "product": "GitHub Enterprise Server",
    "vendor": "GitHub",
    "versions": [
      {
        "lessThan": "3.0.19",
        "status": "affected",
        "version": "3.0",
        "versionType": "custom"
      },
      {
        "lessThan": "3.1.11",
        "status": "affected",
        "version": "3.1",
        "versionType": "custom"
      },
      {
        "lessThan": "3.2.3",
        "status": "affected",
        "version": "3.2",
        "versionType": "custom"
      }
    ]
  }
]