Is CVE-2021-42093 in the CISA KEV catalog?

No. CVE-2021-42093 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-42093?

CVE-2021-42093 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-42093?

CVE-2021-42093 has an EPSS score of 1.26% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-42093?

Upgrade zammad to 4.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-42093

HIGH

7.2

CVSS v3

NVD

Description

An issue was discovered in Zammad before 4.1.1. An admin can execute code on the server via a crafted request that manipulates triggers.

How to fix

Remediation Available

zammadNVD

Affected:< 4.1.1Fixed in:4.1.1CVE-2021-42093derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.26%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory1

zammad.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.