What is CVE-2023-20623?

CVE-2023-20623 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.4/10. Published 2023-03-07.

How severe is CVE-2023-20623?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Google Android

CVE-2023-20623

In ion, there is a possible escalation of privilege due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07559778; Issue ID: ALPS07559778.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

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

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 10.0, 11.0, 12.0
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6737
Mediatek Mt6739
Mediatek Mt6753
Mediatek Mt6757
Mediatek Mt6757c
Mediatek Mt6757cd
Mediatek Mt6757ch

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20623?: CVE-2023-20623 is a medium-severity vulnerability in Google Android, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.4/10. Published 2023-03-07.
How severe is CVE-2023-20623?: Medium severity. CVSS v3 base score is 6.4 out of 10.