How severe is CVE-2021-40086?

CVE-2021-40086 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-40086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40086?

CVE-2021-40086 affects Primekey Ejbca. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40086?

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

When was CVE-2021-40086 published?

CVE-2021-40086 was published on 2021-08-25 and last updated on 2026-06-17.

CVE-2021-40086

CVE-2021-40086 is a low-severity vulnerability in Primekey Ejbca with a CVSS 3.x base score of 2.2. 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-200.

Key facts

Severity: Low (CVSS 3.x base score 2.2)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Primekey Ejbca
Published: 2021-08-25
Last modified: 2026-06-17

Description

An issue was discovered in PrimeKey EJBCA before 7.6.0. As part of the configuration of the aliases for SCEP, CMP, EST, and Auto-enrollment, the enrollment secret was reflected on a page (that can only be viewed by an administrator). While hidden from direct view, checking the page source would reveal the secret.

Frequently asked questions

What is CVE-2021-40086?: An issue was discovered in PrimeKey EJBCA before 7.6.0. As part of the configuration of the aliases for SCEP, CMP, EST, and Auto-enrollment, the enrollment secret was reflected on a page (that can only be viewed by an administrator). While hidden from direct view, checking the page source would reveal the secret.
How severe is CVE-2021-40086?: CVE-2021-40086 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-40086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40086?: CVE-2021-40086 affects Primekey Ejbca. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40086 published?: CVE-2021-40086 was published on 2021-08-25 and last updated on 2026-06-17.

References

https://support.primekey.com/news/posts/52

Affected products (1)

cpe:2.3:a:primekey:ejbca:*:*:*:*:enterprise:*:*:*

More vulnerabilities in Primekey Ejbca

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