Security readout for executives and security teams
Pi-hole Core 5.2.4 and earlier had multiple local privilege escalation flaws. An attacker who already has a low-privileged account on the Pi-hole server could gain more control over that host. This is not a remote internet exploit by itself, but it matters where Pi-hole runs on shared, exposed, or poorly administered Linux systems. Exposure is limited to systems running Pi-hole Core 5.2.4 or earlier where an attacker can obtain local low-privileged access. Single-purpose appliances with tightly controlled shell access face lower practical risk than shared Linux hosts. Prioritize remediation where Pi-hole runs on shared Linux servers, internet-managed hosts, or systems with many local users. For isolated home or appliance-style deployments, handle in normal patch cycles but do not ignore it. Mitigation focus: Upgrade Pi-hole Core beyond 5.2.4 using vendor guidance.; Check the GitHub advisory for exact fixed release and upgrade notes.; Restrict shell and administrative access to Pi-hole hosts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-29449 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L23.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpjCVE reference · x_refsource_CONFIRM
- https://www.compass-security.com/fileadmin/Research/Advisories/2021-02_CSNC-2021-008_Pi-hole_Privilege_Escalation.txtCVE reference · x_refsource_MISC, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.