Is CVE-2023-31597 in the CISA KEV catalog?

No. CVE-2023-31597 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31597?

CVE-2023-31597 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-31597?

CVE-2023-31597 has an EPSS score of 0.43% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31597?

Upgrade zammad to 5.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-31597

MEDIUM

6.5

CVSS v3

NVD

Description

An issue in Zammad v5.4.0 allows attackers to bypass e-mail verification using an arbitrary address and manipulate the data of the generated user. Attackers are also able to gain unauthorized access to existing tickets.

CWE-863Incorrect Authorization

How to fix

Remediation Available

zammadNVD

Affected:< 5.4.1Fixed in:5.4.1CVE-2023-31597derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch1

zammad.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

Embed a live status badge for CVE-2023-31597

Markdown

[![CVE-2023-31597](https://tridentstack.com/cve/badge/CVE-2023-31597.svg)](https://tridentstack.com/cve/CVE-2023-31597)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-31597"><img src="https://tridentstack.com/cve/badge/CVE-2023-31597.svg" alt="CVE-2023-31597"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-01-22.