CVE-2021-28099

MEDIUM
Published Mar 23, 20215y ago · Modified Jun 17, 20262w ago
4.4 CVSS 3.1
Medium
Find Similar
Published Mar 23, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.4
Exploitability
1.8
Impact
2.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-330

Affected Products 1

VendorProductVersionRange
netflixhollow*any

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.