CVE-2020-8816

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-12-10. Federal remediation due 2022-06-10.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

78.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.5% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-05-29 18:57Z6 YR AGO

Last updated

2025-10-21 23:35Z1 YR AGO

Reserved

2020-02-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:H/S:C/UI:N

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

f110c0897c69b538de8275bf5fd114e502bcc5e81aaf400a9edf7130195c73da

• github.comhttps://github.com/pi-hole/AdminLTE/commits/masterx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/157861/Pi-Hole-4.3.2-DHCP-MAC-OS-Command-Execution.htmlx_refsource_CONFIRM
• natedotred.wordpress.comhttps://natedotred.wordpress.com/2020/03/28/cve-2020-8816-pi-hole-remote-code-execution/x_refsource_MISC
• twitter.comhttps://twitter.com/Nate_Kappa/status/1243900213665902592?s=20x_refsource_MISC
• github.comhttps://github.com/pi-hole/AdminLTE/releases/tag/v4.3.3x_refsource_MISC
• github.comhttps://github.com/pi-hole/AdminLTE/pull/1165x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158737/Pi-hole-4.3.2-Remote-Code-Execution.htmlx_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8816government-resource