How severe is CVE-2021-36234?

CVE-2021-36234 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-36234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36234?

CVE-2021-36234 affects Unit4 Mik.starlight. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36234?

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

When was CVE-2021-36234 published?

CVE-2021-36234 was published on 2021-08-31 and last updated on 2026-06-17.

CVE-2021-36234

CVE-2021-36234 is a medium-severity vulnerability in Unit4 Mik.starlight with a CVSS 3.x base score of 5.5. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Unit4 Mik.starlight
Published: 2021-08-31
Last modified: 2026-06-17

Description

Use of a hard-coded cryptographic key in MIK.starlight 7.9.5.24363 allows local users to decrypt credentials via unspecified vectors.

Frequently asked questions

What is CVE-2021-36234?: Use of a hard-coded cryptographic key in MIK.starlight 7.9.5.24363 allows local users to decrypt credentials via unspecified vectors.
How severe is CVE-2021-36234?: CVE-2021-36234 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-36234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36234?: CVE-2021-36234 affects Unit4 Mik.starlight. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36234 published?: CVE-2021-36234 was published on 2021-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:unit4:mik.starlight:7.9.5.24363:*:*:*:*:*:*:*

More vulnerabilities in Unit4 Mik.starlight

CVE-2021-36232 — High (CVSS 8.8): Improper Authorization in multiple functions in MIK.starlight 7.9.5.24363 allows an authenticated attacker to escalate…
CVE-2021-36231 — High (CVSS 8.8): Deserialization of untrusted data in multiple functions in MIK.starlight 7.9.5.24363 allows authenticated remote…
CVE-2021-36233 — Medium (CVSS 6.5): The function AdminGetFirstFileContentByFilePath in MIK.starlight 7.9.5.24363 allows (by design) an authenticated…

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