What is CVE-2021-42084?

CVE-2021-42084 is a medium-severity vulnerability in Zammad, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2021-10-07.

How severe is CVE-2021-42084?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Zammad

CVE-2021-42084

An issue was discovered in Zammad before 4.1.1. An attacker with valid agent credentials may send a series of crafted requests that cause an endless loop and thus cause denial of service.

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zammad
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42084?: CVE-2021-42084 is a medium-severity vulnerability in Zammad, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2021-10-07.
How severe is CVE-2021-42084?: Medium severity. CVSS v3 base score is 6.5 out of 10.