In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.
CVE-2022-3843
CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence
Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2023-02-16. NVD baseline CVSS 9.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EG Score
- 9.1(medium)
- EG Risk
- 56(Track)EG Risk 56/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity91% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 57%
- KEV
- Not listed
Published
February 16, 2023
Last Modified
November 21, 2024
Advisory Details (1)
Auto-updated Jul 19, 2026No patch confirmed yet.
generic
WAGO: Exposure of configuration interface in unmanaged switches
https://cert.vde.com/en/advisories/VDE-2022-055/Frequently asked(5)
What is CVE-2022-3843?
CVE-2022-3843 is a critical vulnerability published on February 16, 2023. In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.
When was CVE-2022-3843 disclosed?
CVE-2022-3843 was first published in the National Vulnerability Database on February 16, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-3843 actively exploited?
CVE-2022-3843 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 43.0% of all scored CVEs.
What is the CVSS score of CVE-2022-3843?
CVE-2022-3843 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2022-3843?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-3843, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2022-3843
Is Your Infrastructure Affected by CVE-2022-3843?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.