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Fencer Vulns
high 8.0

CVE-2021-0594 json

In onCreate of ConfirmConnectActivity, there is a possible remote bypass of user consent due to improper input validation.

published 2021-07-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-3213

cvss
8.0
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

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

Vendor 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 8.0

Siemens SIMATIC

  • Siemens SIMATIC RF160B (6GT2003-0FA00) <V2.2
    affected: 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

1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 7.9 AV:A/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • n/a Android

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.