CVE-2021-0933 — Improper Input Validation in Google Android

CWE-20 — Improper Input ValidationCWE-116 — Improper Encoding or Escaping of Output5 documents5 sources
Severity
8.0HIGHNVD
EPSS
0.4%
top 37.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedDec 15
Latest updateMar 14

Description

In onCreate of CompanionDeviceActivity.java or DeviceChooserActivity.java, there is a possible way for HTML tags to interfere with a consent dialog due to improper input validation. This could lead to remote escalation of privilege, confusing the user into accepting pairing of a malicious Bluetooth device, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-172251622

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.1 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-12 Android-9
▶NVDgoogle/android4 versions+3
▶Androidplatform/frameworks_base9:0 — 9:2021-11-01+3

🔴Vulnerability Details

2
GHSA
GHSA-pjhg-fc6g-4mjw: In onCreate of CompanionDeviceActivity↗2021-12-16
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OSV
CVE-2021-0933: In onCreate of CompanionDeviceActivity↗2021-11-01
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📋Vendor Advisories

2
CISA ICS
Siemens SIMATIC↗2024-03-14
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Android
CVE-2021-0933: Android Security Bulletin 2021-11-01 CVE: CVE-2021-0933 Severity: HIGH Type: EoP Affected AOSP versions: 9, 10, 11, 12 References: A-172251622↗2021-11-01
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CVE-2021-0933 — Improper Input Validation in Google | cvebase