How severe is CVE-2023-20963?

CVE-2023-20963 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2023-20963?

Affected package information for CVE-2023-20963 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2023-20963?

No fixed version has been published for CVE-2023-20963 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2023-20963 actively exploited in the wild?

Yes. There are 6 known exploit references for CVE-2023-20963, including 5 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2023-20963?

CVE-2023-20963 has an EPSS (Exploit Prediction Scoring System) score of 1.1%, placing it in the 79th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2023-20963 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2023-20963 (Android Framework Privilege Escalation Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2023-04-13. CISA required all US federal civilian agencies to remediate this vulnerability by 2023-05-04. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2023-20963?

CVE-2023-20963 is classified as CWE-295 (CWE-295). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2023-20963?

CVE-2023-20963 affects google android (4 versions, e.g. 11.0, 12.0, 12.1…). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2023-20963 published, and has it been updated?

CVE-2023-20963 was published on March 24, 2023 and was last updated on October 23, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2023-04-13 — agencies required to remediate by 2023-05-04

CVE-2023-20963

HIGH

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…

Published

Mar 24, 2023

Updated

Oct 23, 2025

Affected

0 pkgs

Patched

None yet

Exploits

6 known

EPSS Exploitation Probability

via FIRST.org ↗

1.1%probability of exploitation in next 30 days

Lower Risk79th percentile-0.08%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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

Affected Products

1 product · 4 configurations

androidgoogle

4 versions

11.012.012.113.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.