⚠ Actively exploited
Added to CISA KEV on 2023-04-13. Federal agencies required to patch by 2023-05-04. Required action: Apply updates per vendor instructions..

CVE-2023-20963Improper Certificate Validation in Google Android

Severity
7.8HIGHNVD
EPSS
1.8%
top 17.00%
CISA KEV
KEV
Added 2023-04-13
Due 2023-05-04
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedMar 24
KEV addedApr 13
KEV dueMay 4
CISA Required Action: Apply updates per vendor instructions.

Description

In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519

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 Android-12 Android-12L Android-13
NVDgoogle/android4 versions+3
Androidplatform/frameworks_base13-next:013-next:2023-03-01+4

Patches

🔴Vulnerability Details

4
GHSA
GHSA-xm9f-fph8-8369: In WorkSource, there is a possible parcel mismatch2023-03-24
OSV
CVE-2023-20963: In WorkSource, there is a possible parcel mismatch2023-03-01
VulnCheck
Android Framework Privilege Escalation Vulnerability2023
Project0
Project Zero RCA: CVE-2023-20963: Android: mismatching parcel/unparcel logic for WorkSource

📋Vendor Advisories

2
CISA
Android Framework Privilege Escalation Vulnerability2023-04-13
Android
CVE-2023-20963: Android Security Bulletin 2023-03-01 CVE: CVE-2023-20963 Severity: HIGH Type: EoP Affected AOSP versions: 11, 12, 12L, 13 References: A-2203025192023-03-01

🕵️Threat Intelligence

2
Krebs
Google Suspends Chinese E-Commerce App Pinduoduo Over Malware2023-03-22
Krebs
Google Suspends Chinese E-Commerce App Pinduoduo Over Malware2023-03-22