Is CVE-2021-0340 actively exploited?

No active exploitation of CVE-2021-0340 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-0340 be exploited remotely?

Yes. CVE-2021-0340 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-0340?

CVE-2021-0340 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2021-0340

HIGH

CVE-2021-0340

CWE-212Published: February 10, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

In parseNextBox of IsoInterface.java, there is a possible leak of unredacted location information due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-134155286

NVD Source

Technical Analysis

CVE-2021-0340 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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 8.8.