Known exploited vulnerability
CVE-2020-8816
The short answer
CVE-2020-8816 affects n/a n/a and is rated high (CVSS 7.2). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-12-10: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.
Weakness: CWE-78.
Severity
7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Dec 10, 2021
Federal due date Jun 10, 2022
EPSS, next 30 days
78%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- github.com/pi-hole/AdminLTE/commits/master PatchThird Party Advisory
- github.com/pi-hole/AdminLTE/pull/1165 PatchThird Party Advisory
- github.com/pi-hole/AdminLTE/releases/tag/v4.3.3 Release NotesThird Party Advisory
- natedotred.wordpress.com/2020/03/28/cve-2020-8816-pi-hole-remote-code-execution/ Broken LinkExploitThird Party Advisory
- twitter.com/Nate_Kappa/status/1243900213665902592?s=20 Broken LinkPress/Media Coverage
- github.com/pi-hole/AdminLTE/commits/master PatchThird Party Advisory
- github.com/pi-hole/AdminLTE/pull/1165 PatchThird Party Advisory
- github.com/pi-hole/AdminLTE/releases/tag/v4.3.3 Release NotesThird Party Advisory
- natedotred.wordpress.com/2020/03/28/cve-2020-8816-pi-hole-remote-code-execution/ Broken LinkExploitThird Party Advisory
- twitter.com/Nate_Kappa/status/1243900213665902592?s=20 Broken LinkPress/Media Coverage
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8816 US Government Resource
Questions
Is CVE-2020-8816 being exploited?
Yes. CISA added CVE-2020-8816 to its Known Exploited Vulnerabilities catalog on 2021-12-10, with a federal remediation due date of 2022-06-10.
How do I fix CVE-2020-8816?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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