How severe is CVE-2021-22279?

CVE-2021-22279 has a CVSS 3.x base score of 9.8, 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-2021-22279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22279?

CVE-2021-22279 affects Abb Omnicore C30 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22279?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-22279 published?

CVE-2021-22279 was published on 2021-12-13 and last updated on 2026-06-17.

CVE-2021-22279

CVE-2021-22279 is a critical-severity vulnerability in Abb Omnicore C30 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Abb Omnicore C30 Firmware
Published: 2021-12-13
Last modified: 2026-06-17

Description

A Missing Authentication vulnerability in RobotWare for the OmniCore robot controller allows an attacker to read and modify files on the robot controller if the attacker has access to the Connected Services Gateway Ethernet port.

Frequently asked questions

What is CVE-2021-22279?: A Missing Authentication vulnerability in RobotWare for the OmniCore robot controller allows an attacker to read and modify files on the robot controller if the attacker has access to the Connected Services Gateway Ethernet port.
How severe is CVE-2021-22279?: CVE-2021-22279 has a CVSS 3.x base score of 9.8, 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-2021-22279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22279?: CVE-2021-22279 affects Abb Omnicore C30 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-22279 published?: CVE-2021-22279 was published on 2021-12-13 and last updated on 2026-06-17.

References

https://search.abb.com/library/Download.aspx?DocumentID=SI20265&LanguageCode=en&DocumentPartId=&Action=Launch

Affected products (1)

cpe:2.3:o:abb:omnicore_c30_firmware:*:*:*:*:*:*:*:*

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