What is CVE-2021-0708?

CVE-2021-0708 is a high-severity vulnerability in Google Android, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2021-10-22.

How severe is CVE-2021-0708?

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

Is CVE-2021-0708 known to be exploited?

12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2021-0708

In runDumpHeap of ActivityManagerShellCommand.java, there is a possible deletion of system files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-183262161

EPSS: 0.001 (4.2th 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 8.1, 9.0, 10.0
N/a Android — versions Android-9 Android-10 Android-11 Android-8.1

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

Public proof-of-concept exploits

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0708?: CVE-2021-0708 is a high-severity vulnerability in Google Android, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2021-10-22.
How severe is CVE-2021-0708?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-0708 known to be exploited?: 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.