CVE-2020-8816
HighExploitedPublic exploitPi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.
Published May 29, 2020 · Updated Aug 27, 2026
Key Facts
Patch immediately- CVE-2020-8816 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Pi-Hole.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 14, 2020. Public exploit code is available.
- EPSS estimates a 78% probability of exploitation in the next 30 days.
- Fixed versions are available, including Pi-Hole <=4.3.2, Pi-Hole 4.3.2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
78%
Higher than 99.5% 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-2020-8816 brief as a PDF
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Description
Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 10, 2021 | Jun 10, 2022 | Not reported |
| Industry KEV feed | Dec 14, 2020 | Jun 10, 2022 | Not reported |
| CIRCL KEV | Dec 10, 2021 | Jun 10, 2022 | Not reported |
| ENISA EUVD | Dec 10, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Pi-HolePi-Hole | See advisory | 4.3.2 |
Patched Releases
Pi-Hole
<=4.3.2
Timeline
Publicly disclosed
May 29, 2020
Added to Industry KEV feed
Dec 14, 2020
Added to CISA KEV
Dec 10, 2021
Added to CIRCL KEV
Dec 10, 2021
Added to ENISA EUVD
Dec 10, 2021
Last updated
Aug 27, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttp://packetstormsecurity.com/files/157861/Pi-Hole-4.3.2-DHCP-MAC-OS-Command-Execution.html
- advisoryhttp://packetstormsecurity.com/files/158737/Pi-hole-4.3.2-Remote-Code-Execution.html
- advisoryhttps://github.com/pi-hole/AdminLTE/releases/tag/v4.3.3
- patchhttps://github.com/pi-hole/AdminLTE/commits/master
- patchhttps://github.com/pi-hole/AdminLTE/pull/1165
FAQ
Common Questions.
Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.
Affected: Pi-Hole. 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 Dec 14, 2020.
Yes. It was added on Dec 10, 2021 with a federal remediation due date of Jun 10, 2022.
Public exploit code is available.
Fixed versions are available, including Pi-Hole <=4.3.2, Pi-Hole 4.3.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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