Is CVE-2019-3403 in the CISA KEV catalog?

No. CVE-2019-3403 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3403?

CVE-2019-3403 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-3403?

CVE-2019-3403 has an EPSS score of 52.64% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3403?

Upgrade Jira Software Long Term Support to 7.13.3 or later.

CVE & CISA-KEV Catalog

CVE-2019-3403

MEDIUMEPSS 99th pctl

5.3

CVSS v3

NVD

Description

The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check.

CWE-863Incorrect Authorization

How to fix

Remediation Available

Jira Software Long Term SupportWindows application

Affected:7.13.3Fixed in:7.13.3Atlassian

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

52.64%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.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-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2025-29927	Critical	9.1	99%	-	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

Embed a live status badge for CVE-2019-3403

Markdown

[![CVE-2019-3403](https://tridentstack.com/cve/badge/CVE-2019-3403.svg)](https://tridentstack.com/cve/CVE-2019-3403)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-3403"><img src="https://tridentstack.com/cve/badge/CVE-2019-3403.svg" alt="CVE-2019-3403"></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.

See how it works Start freeThis CVE lookup is free and always will be.

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.