CVE-2020-11108
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary...
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
- Record
CVE-2020-11108- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
- Record
CVE-2020-11108- Updated
- 2026-11-02
EUVDEUVD-2020-3466 No score
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
- Record
EUVD-2020-3466- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xm4h-5598-382p No score
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary...
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
- Record
GHSA-xm4h-5598-382p- Updated
- 2026-11-02
OSV
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.
- Record
CVE-2020-11108- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Pi-hole < 4.4 - Authenticated Remote Code Execution | 2020-05-10 |
| Exploit-DB | Pi-hole < 4.4 - Authenticated Remote Code Execution / Privileges Escalation | 2020-05-10 |
| Exploit-DB | Pi-Hole - heisenbergCompensator Blocklist OS Command Execution (Metasploit) | 2020-05-19 |
| Exploit-DB | Pi-hole 4.4.0 - Remote Code Execution (Authenticated) | 2020-05-26 |
| Metasploit | Pi-Hole heisenbergCompensator Blocklist OS Command Execution | 2020-05-10 |
| PoC in GitHub | Frichetten/CVE-2020-11108-PoC | 2020-04-04 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11108 is a high vulnerability (CVSS 8.8) in Pi-hole, published May 11, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 78.3%, the 99th percentile. No source names a fixed version.
References
frichetten.com/blog/cve-2020-11108-pihole-rce
github.com/Frichetten/CVE-2020-11108-PoC
packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.html
nvd.nist.gov/vuln/detail/CVE-2020-11108