What is CVE-2021-45894?

CVE-2021-45894 is a medium-severity vulnerability in Zauner Arc, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2022-04-05.

How severe is CVE-2021-45894?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Zauner Arc

CVE-2021-45894

An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4. There is Cleartext Transmission of Sensitive Information.

Published 2022-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Zauner Arc — versions 4.2.0.4

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

syss.de (Third Party Advisory)
www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-066.txt (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-45894?: CVE-2021-45894 is a medium-severity vulnerability in Zauner Arc, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2022-04-05.
How severe is CVE-2021-45894?: Medium severity. CVSS v3 base score is 5.9 out of 10.