Vulnerability in Zammad

CVE-2021-42086

An issue was discovered in Zammad before 4.1.1. An Agent account can modify account data, and gain admin access, via a crafted request.

EPSS: 0.011 (61.6th 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

Zammad
N/a — versions n/a

Public proof-of-concept exploits

raj3shp/raj3shp

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42086?: CVE-2021-42086 is a high-severity vulnerability in Zammad. CVSS score: 8.8/10. Published 2021-10-07.
How severe is CVE-2021-42086?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-42086 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.