CVE-2019-8449

Description

The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an information disclosure vulnerability.

Affected products

Vendor	Product	Affected	Fixed
Atlassian	Jira	unspecified – < 8.4.0	8.4.0

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Jira 8.3.4 - Information Disclosure (Username Enumeration) EDB-47990 · webapps · Feb 3, 2020

GitHub 2 repositories

mufeedvh/CVE-2019-8449 ★ 68 · Feb 2, 2020

CVE-2019-8449 Exploit for Jira v2.1 - v8.3.4
r0lh/CVE-2019-8449 ★ 2 · Feb 14, 2020

User Enumeration Proof Of Concept Exploit for CVE-2019-8449

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Jira <8.4.0 - Information Disclosure http/cves/2019/CVE-2019-8449.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

The /rest/api/latest/groupuserpicker resource in Jira before version 8.4.0 allows remote attackers to enumerate usernames via an informatio…