Public proof of concept

CVE-2021-0594

A public proof of concept exists; no exploitation attested.

Published2021-07-14
WeaknessCWE-74

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 onCreate of ConfirmConnectActivity, there is a possible remote bypass of user consent due to improper input validation. This could lead to remote (proximal, NFC) escalation of privilege allowing an attacker to deceive a user into allowing a Bluetooth connection with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176445224

Timeline

dates in UTC

2021-07-1414:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 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-2021-0594?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-0594?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

Branch	Affected	Fixed in	Source
8.1	= 8.1	no fix published	NVD
9.0	= 9.0	no fix published	NVD
10.0	= 10.0	no fix published	NVD
11.0	= 11.0	no fix published	NVD

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

Fix

Advisories and patches

source.android.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedSatheesh575555/packages_apps_Nfc_AOSP10_r33_CVE-2021-0594

Sources

NVDCVSS 3.18read 2026-10-23
NVDCVSS 2.07.9read 2026-10-23
NVDweakness (CWE)CWE-74read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2021-07-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-0594?

Is CVE-2021-0594 actively exploited?

Active exploitation of CVE-2021-0594 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-0594?

CVE-2021-0594 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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