How severe is CVE-2021-22511?

CVE-2021-22511 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-22511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22511?

CVE-2021-22511 affects Microfocus Application Automation Tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22511?

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

When was CVE-2021-22511 published?

CVE-2021-22511 was published on 2021-04-08 and last updated on 2026-06-17.

CVE-2021-22511

CVE-2021-22511 is a medium-severity vulnerability in Microfocus Application Automation Tools with a CVSS 3.x base score of 6.5. 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 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Microfocus Application Automation Tools
Published: 2021-04-08
Last modified: 2026-06-17

Description

Improper Certificate Validation vulnerability in Micro Focus Application Automation Tools Plugin - Jenkins plugin. The vulnerability affects version 6.7 and earlier versions. The vulnerability could allow unconditionally disabling of SSL/TLS certificates.

Frequently asked questions

What is CVE-2021-22511?: Improper Certificate Validation vulnerability in Micro Focus Application Automation Tools Plugin - Jenkins plugin. The vulnerability affects version 6.7 and earlier versions. The vulnerability could allow unconditionally disabling of SSL/TLS certificates.
How severe is CVE-2021-22511?: CVE-2021-22511 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-22511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22511?: CVE-2021-22511 affects Microfocus Application Automation Tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22511 published?: CVE-2021-22511 was published on 2021-04-08 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-2176

Affected products (1)

cpe:2.3:a:microfocus:application_automation_tools:*:*:*:*:*:jenkins:*:*

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