CVE-2022-4126

Q: How do I fix CVE-2022-4126?

Upgrade rccmd to 4.40_230207 or later.

Q: Is CVE-2022-4126 being actively exploited?

Not that we know of. CVE-2022-4126 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.62% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

Q: How severe is CVE-2022-4126?

CVE-2022-4126 has a CVSS v3 base score of 9.6, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2022-4126 affect?

Published advisories record a fix for rccmd (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICAL

9.6

CVSS v3

NVD

Description

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.

CWE-1393 CWE-287Improper Authentication

How to fix

Remediation Available

rccmdNVD

Affected:< 4.40_230207Fixed in:4.40_230207CVE-2022-4126derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Vendor Advisory1

search.abb.com

Related Vulnerabilities

Other CWE-1393 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-45249	Critical	9.8	53%	KEV	Fix
CVE-2024-29021	Critical	9.0	20%	-	-
CVE-2025-26793	Unscored	-	2.3%	-	-
CVE-2024-48987	Medium	6.6	1.0%	-	Fix
CVE-2026-2635	High	7.3	1.0%	-	-
CVE-2023-25131	Critical	9.4	1.0%	-	-

Common questions

How do I fix CVE-2022-4126?

Upgrade rccmd to 4.40_230207 or later.

Is CVE-2022-4126 being actively exploited?

Not that we know of. CVE-2022-4126 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.62% is the estimated probability that it will be exploited in the next 30 days. That is higher than 46% of all scored CVEs.

How severe is CVE-2022-4126?

CVE-2022-4126 has a CVSS v3 base score of 9.6, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2022-4126 affect?

Published advisories record a fix for rccmd (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2022-4126

Markdown

[![CVE-2022-4126](https://tridentstack.com/cve/badge/CVE-2022-4126.svg)](https://tridentstack.com/cve/CVE-2022-4126)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-4126"><img src="https://tridentstack.com/cve/badge/CVE-2022-4126.svg" alt="CVE-2022-4126"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.