CVE-2021-0334 json
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitra…
published 5y ago modified 4mo ago also EUVD-2021-2953
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
Patch / fix
Is CVE-2021-0334 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-24-074-07 updated cvss 7.8
Siemens SIMATIC
-
Siemens SIMATIC RF160B (6GT2003-0FA00) <V2.2affected: mitigation “Siemens has released a new version (V2.2) for SIMATIC RF160B and recommends to update to the latest version.” siemens.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
source.android.com
/security/bulletin/2021-02-01
patch, vendor-advisory
Sources
- CVE List CVE-2021-0334
- NVD CVE-2021-0334
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