CVE-2021-45891 — HIGH (8.8)

Vulnerability Description

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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zauner	Arc	4.2.0.4

Related Weaknesses (CWE)

CWE-669

References

https://syss.deThird Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-063.tExploitThird Party Advisory
https://syss.deThird Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-063.tExploitThird Party Advisory

FAQ

What is CVE-2021-45891?

CVE-2021-45891 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

How severe is CVE-2021-45891?

CVE-2021-45891 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45891?

Check the references section above for vendor advisories and patch information. Affected products include: Zauner Arc.