Skip to main content
No exploitation reportedFix available

CVE-2021-0305

No exploitation reported by the sources we read.

  • Published2021-02-10
  • WeaknessCWE-1021

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-154015447

Timeline

dates in UTC
  1. 2021-02-1017:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-0305?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-0305?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Google android
BranchAffectedFixed in
8.1= 8.1no fix published
9.0= 9.0no fix published
10.0= 10.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • platform/packages/apps/SettingsAndroidfrom 10:0 · fixed in 10:2021-02-01and 1 other package
  • platform/packages/apps/SettingsAndroidfrom 11:0 · fixed in 11:2021-02-01and 1 other package
  • platform/packages/apps/SettingsAndroidfrom 8.0:0 · fixed in 8.0:2021-02-01and 1 other package
  • platform/packages/apps/SettingsAndroidfrom 8.1:0 · fixed in 8.1:2021-02-01and 1 other package
  • platform/packages/apps/SettingsAndroidfrom 9:0 · fixed in 9:2021-02-01and 1 other package

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • NVDweakness (CWE)CWE-1021read 2026-10-23
  • FIRST EPSSEPSS score0.5 %2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2021-02-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-0305?

In PackageInstaller, there is a possible tapjacking attack due to an insecure default value. This could lead to local escalation of privilege and permissions with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-154015447

Is CVE-2021-0305 actively exploited?

Active exploitation of CVE-2021-0305 has not been confirmed. Its EPSS score was 0.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-0305?

CVE-2021-0305 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Running platform/packages/apps/Settings? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, October 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record