What is CVE-2023-21399?

CVE-2023-21399 is a high-severity vulnerability in Google Android, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.8/10. Published 2023-07-13.

How severe is CVE-2023-21399?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Google Android

CVE-2023-21399

there is a possible way to bypass cryptographic assurances due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions Android kernel

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21399?: CVE-2023-21399 is a high-severity vulnerability in Google Android, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.8/10. Published 2023-07-13.
How severe is CVE-2023-21399?: High severity. CVSS v3 base score is 7.8 out of 10.