CVE-2023-21035

highpriority · track · 31OT risk · elevatedEPSS 0.001 · 1 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.11% (1st) EPSS

CVSS 7.8 · high

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-184847040

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimary

affected products (3)

Products and version ranges known to be affected.

Google Android AOSP 13all versionscert_bundDEcpe:/o:google:android:aosp_13
n/a Android≤ Android-13enisa_euvdEU
google android= 13.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0633Google Pixel: Mehrere SchwachstellenDeutsch2023-03-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Pixel ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen und einen Denial-of-Service-Zustand auszulösen.
PUB-A-1848470402023-03-01vendor · osvUS
In multiple functions of BackupHelper.java, there is a possible way for an app to get permissions previously granted to another app with the same package name due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2023-03-24modified 2026-06-17

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+5006 more

references (4)

External citations — patches, advisories, analysis.

scry

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