CVE-2023-20963
HighExploitedPublic exploitIn WorkSource, there is a possible parcel mismatch.
Published Mar 24, 2023 · Updated Oct 14, 2026 · Also known as A-220302519, ASB-A-220302519
Key Facts
Patch immediately- CVE-2023-20963 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Android (Google), platform/frameworks/base (android).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 6, 2023. Public exploit code is available.
- EPSS estimates a 1.5% probability of exploitation in the next 30 days.
- Fixed versions are available, including platform/frameworks/base 11:2023-03-01, platform/frameworks/base 12:2023-03-01, platform/frameworks/base 12L:2023-03-01.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
1.5%
Higher than 73.2% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-20963 brief as a PDF
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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
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 13, 2023 | May 4, 2023 | Not reported |
| Industry KEV feed | Mar 6, 2023 | May 4, 2023 | Not reported |
| CIRCL KEV | Apr 13, 2023 | May 4, 2023 | Not reported |
| ENISA EUVD | Apr 13, 2023 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AndroidGoogle | 11.0, 12.0, 12.1, 13.0, >= Android-11 Android-12 Android-12L Android-13 | n/a |
| platform/frameworks/baseandroid | >= 13-next:0 | 13-next:2023-03-01 |
Patched Releases
platform/frameworks/base
11:2023-03-01, 12:2023-03-01, 12L:2023-03-01, 13-next:2023-03-01, 13:2023-03-01
Timeline
Added to Industry KEV feed
Mar 6, 2023
Publicly disclosed
Mar 24, 2023
Added to CISA KEV
Apr 13, 2023
Added to CIRCL KEV
Apr 13, 2023
Added to ENISA EUVD
Apr 13, 2023
Last updated
Oct 14, 2026
Weakness Type
- CWE-295 Improper Certificate Validation
References
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20963
- patchhttps://android.googlesource.com/platform/frameworks/base/+/266b3bddcf14d448c0972db64b42950f76c759e3
- patchhttps://source.android.com/security/bulletin/2023-03-01
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
In WorkSource, there is a possible parcel mismatch.
Affected: Android (Google) versions 11.0, 12.0, 12.1, 13.0, >= Android-11 Android-12 Android-12L Android-13; platform/frameworks/base (android) versions >= 13-next:0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 6, 2023.
Yes. It was added on Apr 13, 2023 with a federal remediation due date of May 4, 2023.
Public exploit code is available.
Fixed versions are available, including platform/frameworks/base 11:2023-03-01, platform/frameworks/base 12:2023-03-01, platform/frameworks/base 12L:2023-03-01.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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