How severe is CVE-2023-20963?

CVE-2023-20963 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20963 being actively exploited?

Yes. CVE-2023-20963 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-04-13, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2023-20963?

CVE-2023-20963 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2023-20963 have an EU (EUVD) identifier?

Yes. CVE-2023-20963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25131. It is also flagged as exploited in the EUVD (since 2023-04-13).

When was CVE-2023-20963 published?

CVE-2023-20963 was published on 2023-03-24 and last updated on 2026-06-17.

CVE-2023-20963

CVE-2023-20963 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-04-13). The underlying weakness is classified as CWE-295.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2023-04-13)
EU (EUVD) id: EUVD-2023-25131
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2023-04-13)
Weakness: CWE-295
Affected product: Google Android
Published: 2023-03-24
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2023-20963?: 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
How severe is CVE-2023-20963?: CVE-2023-20963 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20963 being actively exploited?: Yes. CVE-2023-20963 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-04-13, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-20963?: CVE-2023-20963 primarily affects Google Android. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-20963 have an EU (EUVD) identifier?: Yes. CVE-2023-20963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-25131. It is also flagged as exploited in the EUVD (since 2023-04-13).
When was CVE-2023-20963 published?: CVE-2023-20963 was published on 2023-03-24 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

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