Integer overflow in Google Android
CVE-2025-20722
In gnss driver, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09920036; Issue ID: MSV-3798.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (0.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- corp.mediatek.com/product-security-bulletin/October-2025 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20722?
- CVE-2025-20722 is a medium-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2025-10-14.
- How severe is CVE-2025-20722?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2025-20722 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.