Vulnerability in Bluestacks
CVE-2025-44964
A lack of SSL certificate validation in BlueStacks v5.20 allows attackers to execute a man-it-the-middle attack and obtain sensitive information.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (1.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Bluestacks — versions 5.20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bluestacks.com (Product)
- claroty.com/team82/disclosure-dashboard/cve-2025-44964 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-44964?
- CVE-2025-44964 is a low-severity vulnerability in Bluestacks, classified under Improper Certificate Validation. CVSS score: 3.9/10. Published 2025-08-05.
- How severe is CVE-2025-44964?
- Low severity. CVSS v3 base score is 3.9 out of 10.
- Is CVE-2025-44964 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.