MEDIUM

CVE-2019-8449

CVSS v3

5.3

MEDIUM

EPSS Score

84.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-8449 yet.

Full record on NVD

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.

Technical details

Published: 2019-09-11
Exploit-DB: EDB-47990

Frequently asked questions

What is CVE-2019-8449?

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

Is CVE-2019-8449 actively exploited?

Active exploitation of CVE-2019-8449 has not been confirmed. Its EPSS score was 84.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-8449?

CVE-2019-8449 has a CVSS v3 base score of 5.3 (MEDIUM severity).

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