What is CVE-2021-36234?

CVE-2021-36234 is a medium-severity vulnerability in Unit4 Mik.starlight, classified under Use of Hard-coded Credentials. CVSS score: 5.5/10. Published 2021-08-31.

How severe is CVE-2021-36234?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Unit4 Mik.starlight

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.

Published 2021-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Unit4 Mik.starlight — versions 7.9.5.24363

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.syss.de (Third Party Advisory)
www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-039.txt (Third Party Advisory)

Frequently asked questions

What is CVE-2021-36234?: CVE-2021-36234 is a medium-severity vulnerability in Unit4 Mik.starlight, classified under Use of Hard-coded Credentials. CVSS score: 5.5/10. Published 2021-08-31.
How severe is CVE-2021-36234?: Medium severity. CVSS v3 base score is 5.5 out of 10.