What is CVE-2021-45891?

CVE-2021-45891 is a high-severity vulnerability in Zauner Arc, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 8.8/10. Published 2022-04-05.

How severe is CVE-2021-45891?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Zauner Arc

CVE-2021-45891

An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to escalate privileges within the application, since all permission checks are done client-side, not server-side.

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zauner Arc — versions 4.2.0.4
N/a — versions n/a

Weakness classification (CWE)

CWE-669 — Incorrect Resource Transfer Between Spheres

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-45891?: CVE-2021-45891 is a high-severity vulnerability in Zauner Arc, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 8.8/10. Published 2022-04-05.
How severe is CVE-2021-45891?: High severity. CVSS v3 base score is 8.8 out of 10.