CVE-2021-36231
CVE-2021-36231 is a high-severity vulnerability in Unit4 Mik.starlight with a CVSS 3.x base score of 8.8. 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-502.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-502
- Affected product: Unit4 Mik.starlight
- Published:
- Last modified:
Description
Deserialization of untrusted data in multiple functions in MIK.starlight 7.9.5.24363 allows authenticated remote attackers to execute operating system commands by crafting serialized objects.
Frequently asked questions
- What is CVE-2021-36231?
- Deserialization of untrusted data in multiple functions in MIK.starlight 7.9.5.24363 allows authenticated remote attackers to execute operating system commands by crafting serialized objects.
- How severe is CVE-2021-36231?
- CVE-2021-36231 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-36231 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36231?
- CVE-2021-36231 affects Unit4 Mik.starlight. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36231?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-36231 published?
- CVE-2021-36231 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-2021-36233 — Medium (CVSS 6.5): The function AdminGetFirstFileContentByFilePath in MIK.starlight 7.9.5.24363 allows (by design) an authenticated…
- CVE-2021-36234 — Medium (CVSS 5.5): Use of a hard-coded cryptographic key in MIK.starlight 7.9.5.24363 allows local users to decrypt credentials via…
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