CVE-2021-39621Incorrect Permission Assignment in Google Android

Severity
7.8HIGHNVD
EPSS
0.0%
top 99.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 14
Latest updateMar 14

Description

In sendLegacyVoicemailNotification of LegacyModeSmsHandler.java, there is a possible permissions bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-185126319

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 Packages3 packages

CVEListV5google/androidAndroid-10 Android-11 Android-12 Android-9
NVDgoogle/android4 versions+3
Androidplatform/packages_apps_dialer9:09:2022-01-01+3

🔴Vulnerability Details

3
GHSA
GHSA-9qq7-77wv-996x: In sendLegacyVoicemailNotification of LegacyModeSmsHandler2022-01-15
CVEList
CVE-2021-39621: In sendLegacyVoicemailNotification of LegacyModeSmsHandler2022-01-14
OSV
CVE-2021-39621: In sendLegacyVoicemailNotification of LegacyModeSmsHandler2022-01-01

📋Vendor Advisories

2
CISA ICS
Siemens SIMATIC2024-03-14
Android
CVE-2021-39621: Android Security Bulletin 2022-01-01 CVE: CVE-2021-39621 Severity: HIGH Type: EoP Affected AOSP versions: 9, 10, 11, 12 References: A-1851263192022-01-01
CVE-2021-39621 — Incorrect Permission Assignment | cvebase