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CVE-2022-0543

10, critical Known exploited

Debian-specific Redis Server Lua Sandbox Escape Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
10, critical critical CVSS v3.1
EPSS, next 30 days
99% higher than 99.9% of scored CVEs
Exploitation
Confirmed in the wild
Published
18 Feb 20224 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 28 Mar 2022. US federal agencies had to remediate by 18 Apr 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.

Details

Vendor
Redis
Product
redis
Weakness
CWE-862 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
security@debian.org

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References 7

Exploit code 1

Patches and fixes 1

Advisories 4

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Beyond this page

Is CVE-2022-0543 in your network?

This page tells you how dangerous CVE-2022-0543 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2022-0543 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

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    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2022-0543 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.