Vulnerability in Google Android
CVE-2023-40090
In BTM_BleVerifySignature of btm_ble.cc, there is a possible way to bypass signature validation due to side channel information disclosure. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Google Android — versions 12, 11.0, 14.0
Weakness classification (CWE)
References
- android.googlesource.com/platform/packages/modules/Bluetooth/+/495417bd068c35de… (Patch, Mailing List)
- source.android.com/security/bulletin/2023-12-01 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-40090?
- CVE-2023-40090 is a medium-severity vulnerability in Google Android, classified under Observable Discrepancy. CVSS score: 6.5/10. Published 2023-12-04.
- How severe is CVE-2023-40090?
- Medium severity. CVSS v3 base score is 6.5 out of 10.