Is CVE-2023-20963 in the CISA KEV catalog?

Yes. CVE-2023-20963 is on the CISA Known Exploited Vulnerabilities list, added 2023-04-13.

What is the CVSS severity of CVE-2023-20963?

CVE-2023-20963 has a CVSS v3 base score of 7.8 (HIGH).

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

CVE-2023-20963 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-20963

HIGHCISA KEV

7.8

CVSS v3

NVD

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

CWE-295Improper Certificate Validation

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Android Framework Privilege Escalation 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.

Apply updates per vendor instructions.

Remediation due: 2023-05-04

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.