CVE-2021-29449— Multiple Privilege Escalation Vulnerabilities Pihole
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I. Basic Information for CVE-2021-29449
Vulnerability Information
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Vulnerability Title
Multiple Privilege Escalation Vulnerabilities Pihole
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Pi-hole 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pi-hole是Pi-hole公司的一款网络级广告拦截应用程序。 Pi-hole core 5.2.4 存在安全漏洞，该漏洞源于Linux网络级的广告和互联网跟踪拦截应用程序。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-29449
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- https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpjx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-29449
IV. Related Vulnerabilities
Same vendor: pi-hole
- CVE-2026-39849
Pi-hole FTL remote code execution via newline injection in d - CVE-2026-35521
Pi-hole FTL affected by Remote Code Execution (RCE) via dhcp - CVE-2026-35520
Pi-hole FTL affected by Remote Code Execution (RCE) via dhcp - CVE-2026-35519
Pi-hole FTL affected by Remote Code Execution (RCE) via dns. - CVE-2026-35518
Pi-hole FTL affected by Remote Code Execution (RCE) via dns.
Same weakness: CWE-269
- CVE-2026-42562
Plainpad: Privilege Escalation via Writable Admin Field in P - CVE-2026-41163
bubblewrap vulnerable to privilege escalation in setuid mode - CVE-2026-44987
SysReptor: Privilege Escalation from User Admin to Superuser - CVE-2026-42185
People: Privilege Escalation via Missing Role Ceiling in Mai - CVE-2026-40001
Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2021-29449
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