CVE-2021-0921 — Improper Input Validation in Google Android

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 98.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks BaseGoogle Android
Timeline
PublishedDec 15
Latest updateDec 16

Description

In ParsingPackageImpl of ParsingPackageImpl.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-195962697

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5google/androidAndroid-11
▶NVDgoogle/android11.0
▶Androidplatform/frameworks_base11:0 — 11:2021-11-01

🔴Vulnerability Details

2
GHSA
GHSA-59pc-8759-235m: In ParsingPackageImpl of ParsingPackageImpl↗2021-12-16
▶
OSV
CVE-2021-0921: In ParsingPackageImpl of ParsingPackageImpl↗2021-11-01
▶

📋Vendor Advisories

1
Android
CVE-2021-0921: Android Security Bulletin 2021-11-01 CVE: CVE-2021-0921 Severity: HIGH Type: EoP Affected AOSP versions: 11 References: A-195962697↗2021-11-01
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CVE-2021-0921 — Improper Input Validation in Google | cvebase