How severe is CVE-2021-22278?

CVE-2021-22278 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-22278 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22278?

CVE-2021-22278 primarily affects Abb Update Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22278?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22278 published?

CVE-2021-22278 was published on 2021-10-28 and last updated on 2026-06-17.

CVE-2021-22278

CVE-2021-22278 is a medium-severity vulnerability in Abb Update Manager with a CVSS 3.x base score of 6.7. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Abb Update Manager
Published: 2021-10-28
Last modified: 2026-06-17

Description

A certificate validation vulnerability in PCM600 Update Manager allows attacker to get unwanted software packages to be installed on computer which has PCM600 installed.

Frequently asked questions

What is CVE-2021-22278?: A certificate validation vulnerability in PCM600 Update Manager allows attacker to get unwanted software packages to be installed on computer which has PCM600 installed.
How severe is CVE-2021-22278?: CVE-2021-22278 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-22278 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22278?: CVE-2021-22278 primarily affects Abb Update Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22278?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22278 published?: CVE-2021-22278 was published on 2021-10-28 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:abb:update_manager:2.1:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.2:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.2.0.23:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.3.0.60:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.4.20041.1:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:2.4.20119.2:*:*:*:*:*:*:*
cpe:2.3:a:abb:update_manager:*:*:*:*:*:*:*:*

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