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.

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.

EPSS: 0.005 (42.4th percentile) — read the EPSS interpretation.

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.

Affected products

Google Android — versions 12, 11.0, 14.0

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

security@android.com (Patch, Mailing List)
security@android.com (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.