CVE-2020-8816

CRITICALNVD 7.29.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-12-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.2 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 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: 78%CVSS: 7.2Exploit: cisa kev · ssvc active · Metasploit · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.

CVSS v3
7.2
EG Score
9.0CRITICALhigh confidence
EG Risk
81
EG Risk 81/100CISA SSVC

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%
CISA SSVC: Track at low, Attend at medium and Act at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.
EPSS PROB
78%
EPSS %ILE
99th
KEV
⚠ Exploited

CISA SSVCTrack at low, Attend at medium and Act at high mission impact.

A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.

Exploitation active (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

May 29, 2020

Last Modified

November 10, 2025

Advisory Details (3)

Auto-updated Jun 11, 2026
Patch available. Sources: github_pr, github_release.
generic

Commits · pi-hole/web · GitHub

https://github.com/pi-hole/AdminLTE/commits/master
github_release Patch Available

Pi-hole Web version 4.3.3

Patch available: pi-hole/AdminLTE v4.3.3

https://github.com/pi-hole/AdminLTE/releases/tag/v4.3.3
github_pr Patch Available

Fix potential code injection on MAC address validator

Patch available: pi-hole/AdminLTE v5.11 (PR #1165 merged 2020-02-18)

https://github.com/pi-hole/AdminLTE/pull/1165

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 51× in last 7d / 231× 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 950 total refreshes for this CVE.

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

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitexploit/unix/http/pihole_dhcp_mac_exec✓ verified
    First seen Mar 28, 2020

    Pi-Hole DHCP MAC OS Command Execution

    Open source ↗
  • GitHub PoCteam0se7en/CVE-2020-8816
    First seen Aug 6, 2020

    Pi-hole ( <= 4.3.2) authenticated remote code execution.

    Open source ↗
  • Exploit-DBEDB-48727
    First seen Aug 4, 2020

    Pi-hole 4.3.2 - Remote Code Execution (Authenticated)

    Open source ↗
  • GitHub PoCcybervaca/CVE-2020-8816
    First seen Aug 4, 2020

    Pi-hole Remote Code Execution authenticated Version >= 4.3.2

    Open source ↗
  • GitHub PoCAndreyRainchik/CVE-2020-8816
    First seen May 10, 2020

    A Python script to exploit CVE-2020-8816, a remote code execution vulnerability on the Pi-hole

    Open source ↗

Frequently asked(6)

What is CVE-2020-8816?
CVE-2020-8816 is a critical vulnerability published on May 29, 2020. Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.
When was CVE-2020-8816 disclosed?
CVE-2020-8816 was first published on May 29, 2020, with the most recent update on November 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-8816 actively exploited?
Yes. CISA added CVE-2020-8816 to the Known Exploited Vulnerabilities catalog on December 10, 2021, affecting Pi-hole AdminLTE. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2020-8816?
CVE-2020-8816 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0 (CRITICAL).
Which products are affected by CVE-2020-8816?
CVE-2020-8816 affects Pi-hole AdminLTE.
How do I remediate CVE-2020-8816?
A fix for CVE-2020-8816 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2020-8816

Explore →

Is Your Infrastructure Affected by CVE-2020-8816?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.