What is CVE-2023-20655?

CVE-2023-20655 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-04-06.

How severe is CVE-2023-20655?

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

Privilege escalation in Google Android

CVE-2023-20655

In mmsdk, there is a possible escalation of privilege due to a parcel format mismatch. This could lead to local code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07203022; Issue ID: ALPS07203022.

Vulnerability class: Privilege Escalation

Published 2023-04-06 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.001 (0.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.3% 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

Google Android — versions 10.0, 11.0, 12.0
Mediatek Mt2715
Mediatek Mt6580
Mediatek Mt6735
Mediatek Mt6737
Mediatek Mt6739
Mediatek Mt6753
Mediatek Mt6761
Mediatek Mt6765
Mediatek Mt6768

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

corp.mediatek.com/product-security-bulletin/April-2023 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20655?: CVE-2023-20655 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-04-06.
How severe is CVE-2023-20655?: High severity. CVSS v3 base score is 7.8 out of 10.