THREATPORT/VULNERABILITY/CVE-2019-8446
MEDIUM SEVERITY

CVE-2019-8446

Jira Server vulnerability

CVSS
5.3
EPSS
17.5%
EPSS pct
97th
Exploited
No known
The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.
Affected vendor
Atlassian
Affected product
Jira Server
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)
  • CWE-863 — Incorrect Authorization
Published
2019-08-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 17.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2019-8446

  • Confirm whether Atlassian Jira Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-8446.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-8446

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-8446 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2019-8446?

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