High severity · published Apr 14, 2021
CVE-2021-29449
Multiple Privilege Escalation Vulnerabilities Pihole
7.8
CVSS
1.8%
EPSS
No
On KEV
Description
Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. Multiple privilege escalation vulnerabilities were discovered in version 5.2.4 of Pi-hole core. See the referenced GitHub security advisory for details.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
pi-hole · pi-hole
<= 5.2.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29449
Exploit
https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
Exploit
http://packetstormsecurity.com/files/163715/Pi-Hole-Remove-Commands-Linux-Privilege-Escalation.html
Exploit
https://www.compass-security.com/fileadmin/Research/Advisories/2021-02_CSNC-2021-008_Pi-hole_Privilege_Escalation.txt
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