CVE-2021-24031

2021-03-0420:15:21

CWE-277

facebook

www.cve.org

zstandard

vulnerability

output files

permissions

unintended parties

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

26.6%

JSON

In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.

CNA Affected

[
  {
    "product": "Zstandard",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "unaffected",
        "version": "1.4.1",
        "versionType": "custom"
      },
      {
        "lessThan": "1.4.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]