VULNERABILITY INTELLIGENCE

CVE-2021-28099

CVSS score4.4 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2021-03-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

In Netflix OSS Hollow, since the Files.exists(parent) is run before creating the directories, an attacker can pre-create these directories with wide permissions. Additionally, since an insecure source of randomness is used, the file names to be created can be deterministically calculated.

Weakness classification

  • nvd@nist.gov: CWE-330

Primary references