CVE-2023-20963

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-04-13), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 7.8Exploit: cisa kev · ssvc active · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
72%
KEV
⚠ Exploited

Published

March 24, 2023

Last Modified

October 23, 2025

Advisory Details (2)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20963
generic

Android Security Bulletin—March 2023  |  Android Open Source Project

https://source.android.com/security/bulletin/2023-03-01

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 59× in last 7d / 246× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 827 total refreshes for this CVE.

  1. 2026-09-08 23:14 UTCEG score recompute
  2. 2026-09-08 23:14 UTCGHSA enrichment
  3. 2026-09-08 21:57 UTCEPSS rescore
  4. 2026-09-08 19:07 UTCGHSA enrichment
  5. 2026-09-08 18:54 UTCCISA KEV update
  6. 2026-09-08 14:59 UTCGHSA enrichment
  7. 2026-09-08 10:49 UTCGHSA enrichment
  8. 2026-09-08 06:39 UTCGHSA enrichment
  9. 2026-09-08 02:32 UTCGHSA enrichment
  10. 2026-09-08 02:31 UTCGHSA enrichment
  11. 2026-09-07 22:24 UTCGHSA enrichment
  12. 2026-09-07 18:17 UTCEG score recompute
  13. 2026-09-07 18:16 UTCGHSA enrichment
  14. 2026-09-07 15:59 UTCEPSS rescore
  15. 2026-09-07 14:09 UTCGHSA enrichment
  16. 2026-09-07 09:59 UTCGHSA enrichment
  17. 2026-09-07 05:51 UTCGHSA enrichment
  18. 2026-09-07 01:44 UTCGHSA enrichment
  19. 2026-09-06 21:34 UTCGHSA enrichment
  20. 2026-09-06 17:27 UTCEG score recompute
  21. 2026-09-06 17:27 UTCGHSA enrichment
  22. 2026-09-06 13:45 UTCEPSS rescore
  23. 2026-09-06 13:19 UTCGHSA enrichment
  24. 2026-09-06 09:12 UTCGHSA enrichment
  25. 2026-09-06 05:02 UTCGHSA enrichment
Show 75 more
  1. 2026-09-06 00:54 UTCGHSA enrichment
  2. 2026-09-05 20:45 UTCGHSA enrichment
  3. 2026-09-05 16:38 UTCEG score recompute
  4. 2026-09-05 16:37 UTCGHSA enrichment
  5. 2026-09-05 15:25 UTCEPSS rescore
  6. 2026-09-05 12:31 UTCGHSA enrichment
  7. 2026-09-05 08:23 UTCGHSA enrichment
  8. 2026-09-05 04:16 UTCGHSA enrichment
  9. 2026-09-05 00:08 UTCGHSA enrichment
  10. 2026-09-04 20:00 UTCGHSA enrichment
  11. 2026-09-04 17:38 UTCCISA KEV update
  12. 2026-09-04 15:50 UTCEG score recompute
  13. 2026-09-04 15:50 UTCGHSA enrichment
  14. 2026-09-04 13:58 UTCEPSS rescore
  15. 2026-09-04 13:57 UTCEPSS rescore
  16. 2026-09-04 11:43 UTCGHSA enrichment
  17. 2026-09-04 07:36 UTCEG score recompute
  18. 2026-09-04 07:36 UTCGHSA enrichment
  19. 2026-09-04 05:04 UTCEPSS rescore
  20. 2026-09-04 03:28 UTCGHSA enrichment
  21. 2026-09-03 23:21 UTCGHSA enrichment
  22. 2026-09-03 19:12 UTCGHSA enrichment
  23. 2026-09-03 15:04 UTCGHSA enrichment
  24. 2026-09-03 10:53 UTCGHSA enrichment
  25. 2026-09-03 06:42 UTCGHSA enrichment
  26. 2026-09-03 02:32 UTCGHSA enrichment
  27. 2026-09-02 22:24 UTCGHSA enrichment
  28. 2026-09-02 18:17 UTCEG score recompute
  29. 2026-09-02 18:16 UTCGHSA enrichment
  30. 2026-09-02 17:33 UTCCISA KEV update
  31. 2026-09-02 14:09 UTCEPSS rescore
  32. 2026-09-02 14:08 UTCGHSA enrichment
  33. 2026-09-02 10:01 UTCGHSA enrichment
  34. 2026-09-02 05:50 UTCGHSA enrichment
  35. 2026-09-02 01:39 UTCGHSA enrichment
  36. 2026-09-01 21:32 UTCGHSA enrichment
  37. 2026-09-01 17:25 UTCEG score recompute
  38. 2026-09-01 17:25 UTCGHSA enrichment
  39. 2026-09-01 13:51 UTCEPSS rescore
  40. 2026-09-01 13:18 UTCGHSA enrichment
  41. 2026-09-01 09:11 UTCGHSA enrichment
  42. 2026-09-01 05:02 UTCEG score recompute
  43. 2026-09-01 05:01 UTCGHSA enrichment
  44. 2026-09-01 00:52 UTCGHSA enrichment
  45. 2026-08-31 20:44 UTCGHSA enrichment
  46. 2026-08-31 16:37 UTCGHSA enrichment
  47. 2026-08-31 14:19 UTCCISA KEV update
  48. 2026-08-31 12:28 UTCGHSA enrichment
  49. 2026-08-31 08:20 UTCGHSA enrichment
  50. 2026-08-31 04:12 UTCGHSA enrichment
  51. 2026-08-31 00:04 UTCGHSA enrichment
  52. 2026-08-30 19:58 UTCEG score recompute
  53. 2026-08-30 19:57 UTCGHSA enrichment
  54. 2026-08-30 19:15 UTCEPSS rescore
  55. 2026-08-30 15:50 UTCGHSA enrichment
  56. 2026-08-30 11:43 UTCGHSA enrichment
  57. 2026-08-30 07:36 UTCGHSA enrichment
  58. 2026-08-30 03:29 UTCEG score recompute
  59. 2026-08-30 03:29 UTCGHSA enrichment
  60. 2026-08-30 01:19 UTCEPSS rescore
  61. 2026-08-29 23:22 UTCGHSA enrichment
  62. 2026-08-29 19:14 UTCGHSA enrichment
  63. 2026-08-29 15:05 UTCGHSA enrichment
  64. 2026-08-29 10:58 UTCGHSA enrichment
  65. 2026-08-29 06:48 UTCGHSA enrichment
  66. 2026-08-29 02:41 UTCGHSA enrichment
  67. 2026-08-28 22:33 UTCEG score recompute
  68. 2026-08-28 22:32 UTCGHSA enrichment
  69. 2026-08-28 21:38 UTCEPSS rescore
  70. 2026-08-28 18:20 UTCGHSA enrichment
  71. 2026-08-28 14:11 UTCGHSA enrichment
  72. 2026-08-28 10:04 UTCGHSA enrichment
  73. 2026-08-28 05:57 UTCGHSA enrichment
  74. 2026-08-28 01:48 UTCGHSA enrichment
  75. 2026-08-27 21:41 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCpwnipc/BadParcel
    First seen Jun 12, 2023

    CVE-2023-20963 PoC (Android WorkSource parcel/unparcel logic mismatch)

    Open source ↗

Frequently asked(6)

What is CVE-2023-20963?
CVE-2023-20963 is a critical vulnerability published on March 24, 2023. 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
When was CVE-2023-20963 disclosed?
CVE-2023-20963 was first published in the National Vulnerability Database on March 24, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-20963 actively exploited?
Yes. CISA added CVE-2023-20963 to the Known Exploited Vulnerabilities catalog on April 13, 2023, affecting Android Framework. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-20963?
CVE-2023-20963 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-20963?
CVE-2023-20963 affects Android Framework. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-20963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20963, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-20963

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