Security readout for executives and security teams
Plain-English summary
CVE-2022-0543 is a Debian packaging flaw in Redis that can let an attacker escape Redis's Lua sandbox and achieve remote code execution. It is rated critical with CVSS 10. CISA lists it as known exploited, so exposed Debian-packaged Redis systems should be treated as urgent.
Executive priority
Treat as immediate remediation for any Debian-packaged Redis exposed to untrusted users. The combination of remote code execution, CVSS 10, and CISA known exploitation makes this a high-priority operational risk, not a routine patch item.
Technical view
The issue is Debian-specific Redis packaging behavior that leaves the embedded Lua environment able to escape sandbox restrictions. The CVE describes unauthenticated network remote code execution with full confidentiality, integrity, and availability impact. Evidence identifies Debian Redis as affected; broader product impact should be confirmed from each vendor advisory.
Likely exposure
Highest exposure is Debian systems running the affected Redis package, especially where Redis is reachable from untrusted networks. The provided record does not establish that upstream Redis builds or non-Debian packages are affected. Appliances or products bundling Debian-based Redis require vendor-specific confirmation.
Exploitation context
Active exploitation is supported by CISA KEV listing for CVE-2022-0543. Public references also include a sandbox escape write-up and exploit-oriented publication, increasing operational risk. Avoid assuming compromise solely from package presence; validate exposure, patch state, and telemetry.
Researcher notes
The key scoping point is Debian-specific packaging, not generic Redis. The bundle does not provide exact fixed package versions, so use Debian DSA-5081 and current vendor guidance for version validation. Do not generalize NetApp or other downstream impact without their advisory details.
Mitigation direction
- Apply Debian's Redis security update referenced by DSA-5081.
- Inventory Debian-packaged Redis across servers, containers, and images.
- Restrict Redis access to trusted networks and authenticated clients.
- Check vendor advisories for appliances or bundled Redis components.
- Prioritize remediation on internet-reachable or unauthenticated Redis services.
Validation and detection
- Confirm whether Redis was installed from Debian packages.
- Verify the Debian security update from DSA-5081 is installed.
- Map Redis network exposure and remove untrusted access paths.
- Review logs for suspicious Lua activity or unexpected process behavior.
- Check CISA KEV tracking for remediation due-date obligations.
Public sources used
Michael Williams reviewed this cited source version on .
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-862: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-0543 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
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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.
CISA KEV status
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:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.debian.org/1005787CVE reference · x_refsource_MISC
- https://www.ubercomp.com/posts/2022-01-20_redis_on_debian_rceCVE reference · x_refsource_MISC
- [debian-security-announce] 20220218 [SECURITY] [DSA 5081-1] redis security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-5081CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://security.netapp.com/advisory/ntap-20220331-0004/CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0543CVE reference · government-resource
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.