CVE-2021-29449

CVE-2021-29449 describes multiple privilege escalation vulnerabilities in Pi-hole core version 5.2.4, a Linux network-level advertisement and tracker blocking application. With a CVSS score of 7.8 (High), this vulnerability allows a local, low-privileged attacker to achieve high impact on confidentiality, integrity, and availability without user interaction. While not listed on the KEV catalog, a Metasploit module exists for exploitation, though there is no evidence of active exploitation or significant community discussion.