CVE-2022-4126

CRITICALNVD 9.69.8▲

9.6

Use of Default Password vulnerability in ABB RCCMD on Windows, Linux, MacOS allows Try Common or Default Usernames and Passwords.This issue affects RCCMD: before 4.40 230207.

CVSS v3: 9.6
EG Score: 9.8(medium)
EPSS: 61.4%
KEV: Not listed

Published

March 27, 2023

Last Modified

November 21, 2024

References (2)

cybersecurity@chhttps://search.abb.com/library/Download.aspx?DocumentID=2CMT006099_EN&LanguageCode=en&DocumentPartId=&Action=Launch
af854a3a-2127-422b-91ae-364da2661108https://search.abb.com/library/Download.aspx?DocumentID=2CMT006099_EN&LanguageCode=en&DocumentPartId=&Action=Launch

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 04:31 UTCEG score recompute
2026-05-25 04:31 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-4126?

CVE-2022-4126 is a critical vulnerability published on March 27, 2023. Use of Default Password vulnerability in ABB RCCMD on Windows, Linux, MacOS allows Try Common or Default Usernames and Passwords.This issue affects RCCMD: before 4.40 230207.

When was CVE-2022-4126 disclosed?

CVE-2022-4126 was first published in the National Vulnerability Database on March 27, 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-2022-4126 actively exploited?

CVE-2022-4126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 61.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-4126?

CVE-2022-4126 has a CVSS v3 base score of 9.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2022-4126?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-4126, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-4126

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Is Your Infrastructure Affected by CVE-2022-4126?

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CVE-2022-4126

📅 Published

🔄 Last Modified

🔗 References (2)