Is CVE-2021-0397 actively exploited?

No active exploitation of CVE-2021-0397 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-0397 be exploited remotely?

Yes. CVE-2021-0397 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-0397?

CVE-2021-0397 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-0397

CRITICAL

CVE-2021-0397

CWE-415Published: March 10, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In sdp_copy_raw_data of sdp_discovery.cc, there is a possible system compromise due to a double free. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-174052148

NVD Source

Technical Analysis

CVE-2021-0397 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.