CVE-2021-28099

Published: Mar 23, 2021Modified: Jun 17, 2026

4.4

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitability: 1.8 / Impact: 2.5

Source: NVD

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.

Affected (1)

Products: Netflix: Hollow

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Netflix Hollow	All versions

Related CWEs

Use of Insufficiently Random Values

The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.

References (2)

https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md

Source: security-report@netflix.com

Third Party Advisory

https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2021-001.md

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.