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ExploitedIn CISA KEVFix available

CVE-2023-20963

Exploitation confirmed. First attested on 2023-04-13 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2023-03-24
  • WeaknessCWE-295

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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

Timeline

dates in UTC
  1. 2023-03-2420:15CVE publishedNVD
  2. 2023-04-13Added to the CISA KEV catalogCISA KEV
  3. 2023-04-13Listed as exploited by GCVEGCVE
  4. 2023-04-13Exploitation first reportedCISA KEV
  5. 2025-01-2821:12SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-20963?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-20963?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Google android
BranchAffectedFixed in
11.0= 11.0no fix published
12.0= 12.0no fix published
12.1= 12.1no fix published
13.0= 13.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As google_android, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Android
    Affected
    • = Android-11 Android-12 Android-12L Android-13no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-03-24

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • platform/frameworks/baseAndroidfrom 11:0 · fixed in 11:2023-03-01
  • platform/frameworks/baseAndroidfrom 12:0 · fixed in 12:2023-03-01
  • platform/frameworks/baseAndroidfrom 12L:0 · fixed in 12L:2023-03-01
  • platform/frameworks/baseAndroidfrom 13-next:0 · fixed in 13-next:2023-03-01
  • platform/frameworks/baseAndroidfrom 13:0 · fixed in 13:2023-03-01

Full record on NVD

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2023-05-04

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedpwnipc/BadParcelTrinadh465/frameworks_base_AOSP10_r33_CVE-2023-20963
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-04-13
Patch Due Date
2023-05-04
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2023-03-24
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-xm9f-fph8-8369

Frequently asked questions

What is CVE-2023-20963?

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

Is CVE-2023-20963 actively exploited?

Yes. CVE-2023-20963 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-05-04.

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

CVE-2023-20963 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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