How severe is CVE-2022-0543?

CVE-2022-0543 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-0543 being actively exploited?

Yes. CVE-2022-0543 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2022-0543?

CVE-2022-0543 affects Redis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0543?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2022-0543 have an EU (EUVD) identifier?

Yes. CVE-2022-0543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-15665. It is also flagged as exploited in the EUVD (since 2022-03-28).

When was CVE-2022-0543 published?

CVE-2022-0543 was published on 2022-02-18 and last updated on 2026-06-17.

CVE-2022-0543

CVE-2022-0543 is a critical-severity vulnerability in Redis with a CVSS 3.x base score of 10.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-28). The underlying weakness is classified as CWE-862.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 10.0
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-03-28)
EU (EUVD) id: EUVD-2022-15665
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-28)
Weakness: CWE-862
Affected product: Redis
Published: 2022-02-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-0543?: 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.
How severe is CVE-2022-0543?: CVE-2022-0543 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-0543 being actively exploited?: Yes. CVE-2022-0543 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2022-0543?: CVE-2022-0543 affects Redis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2022-0543 have an EU (EUVD) identifier?: Yes. CVE-2022-0543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-15665. It is also flagged as exploited in the EUVD (since 2022-03-28).
When was CVE-2022-0543 published?: CVE-2022-0543 was published on 2022-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redis:redis:-:*:*:*:*:*:*:*

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