Pi-hole AdminLTE

CVE-2020-8816: Pi-Hole AdminLTE Remote Code Execution Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 10 Dec 2021, 560 days after the CVE record was published.

How likely is exploitation in the next 30 days?

78.3%

EPSS score, percentile 99.6 of all scored records

How severe?

9.1 Critical

CVSS v3.0 base score, given by the CNA

What should I do?

CISA deadline 10 Jun 2022. Apply updates per vendor instructions.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: 10 June 2022.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

https://nvd.nist.gov/vuln/detail/CVE-2020-8816

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

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

Summary: CISA's KEV catalog, as of 28 Oct 2026.

CISA added CVE-2020-8816 to its Known Exploited Vulnerabilities (KEV) catalog on 10 Dec 2021.
CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
The due date CISA sets for the required action is 10 Jun 2022.
The CVE record was published on 29 May 2020, 560 days before it was added to KEV.
The CVE record carries a CVSS v3.0 base score of 9.1 (Critical), given by its CNA.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 78.3% (percentile 99.6), as of 28 Oct 2026.
CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description