CVE-2023-20963: Android Framework Privilege Escalation Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 13 Apr 2023, 20 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 1.5%
EPSS score, percentile 73.6 of all scored records
- How severe?
- 7.8 High
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
Required action (CISA), due 4 May 2023: Apply updates per vendor instructions.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected: Android-11 Android-12 Android-12L Android-13
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply updates per vendor instructions.
CISA due date for this action: 4 May 2023.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://source.android.com/docs/security/bulletin/2023-03-01
- https://nvd.nist.gov/vuln/detail/CVE-2023-20963
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | Android-11 Android-12 Android-12L Android-13 |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Android Framework contains an unspecified vulnerability that allows for privilege escalation after updating an app to a higher Target SDK with no additional execution privileges needed.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2023-20963 to its Known Exploited Vulnerabilities (KEV) catalog on 13 Apr 2023.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 4 May 2023.
- The CVE record was published on 24 Mar 2023, 20 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 7.8 (High), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 1.5% (percentile 73.6), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
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
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-295: Improper Certificate Validation
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 24 Mar 2023 | CVE record published |
| 13 Apr 2023 | Added to CISA KEV |
| 4 May 2023 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
More exploited Android vulnerabilities
- CVE-2025-48595: Android Framework Integer Overflow Vulnerability
- CVE-2025-48572: Android Framework Privilege Escalation Vulnerability
- CVE-2025-48633: Android Framework Information Disclosure Vulnerability
- CVE-2025-48543: Android Runtime Use-After-Free Vulnerability
- CVE-2024-43093: Android Framework Privilege Escalation Vulnerability
- CVE-2024-36971: Android Kernel Remote Code Execution Vulnerability