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CVE-2023-20963 (GCVE-0-2023-20963)

Vulnerability from cvelistv5 – Published: 2023-03-24 00:00 – Updated: 2025-10-21 23:15
VLAI CISA Previdian
Summary
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
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-28 21:12 UTC
CWE
  • Elevation of privilege
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Android Affected: Android-11 Android-12 Android-12L Android-13
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 11298999-a48b-4206-94d4-a8cce902a285

Vulnerability ID: CVE-2023-20963

Status: Confirmed

Status Updated: 2023-04-13 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-04-13
Asserted: 2023-04-13
Scope
Notes: KEV entry: Android Framework Privilege Escalation Vulnerability | Affected: Android / Framework | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2023-05-04 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://source.android.com/docs/security/bulletin/2023-03-01; https://nvd.nist.gov/vuln/detail/CVE-2023-20963
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-295
Feed CISA Known Exploited Vulnerabilities Catalog
Product Framework
Due Date 2023-05-04
Date Added 2023-04-13
Vendorproject Android
Vulnerabilityname Android Framework Privilege Escalation Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a0f679ed-8234-4bdc-9ff2-c8fca36845ea

Vulnerability ID: CVE-2023-20963

Status: Confirmed

Status Updated: 2023-04-13 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-04-13
Asserted: 2023-04-13
Scope
Notes: KEVIntel entry: In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges... | Affected: Google / Android | CVSS: 7.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges...
Vendor Google
Product Android
Added Date 2023-04-13T00:00:00.000Z
Cvss Score 7.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.