Security readout for executives and security teams
Plain-English summary
This CVE is a Jira availability issue. A remote attacker could cause affected Jira Server or Data Center deployments to suffer denial of service through the UserPickerBrowser.jspa page. The sources do not provide CVSS, CWE, or active exploitation evidence.
Executive priority
Treat this as a practical availability risk for self-managed Jira. Prioritize remediation where Jira supports business operations or is externally accessible, but do not assume active exploitation from these sources.
Technical view
Affected Atlassian Jira Server and Data Center versions before 7.13.9, and 8.0.0 before 8.4.2, contain a DoS flaw in UserPickerBrowser.jspa. The public bundle does not include root-cause detail, authentication requirements, or exploit maturity.
Likely exposure
Exposure is likely limited to organizations running affected Jira Server or Data Center versions, especially internet-accessible Jira instances. Cloud exposure is not stated in the sources.
Exploitation context
The source bundle says remote attackers can impact application availability. CISA KEV status is false, and no cited source here confirms active exploitation.
Researcher notes
Key missing evidence includes CVSS, CWE, authentication context, exact vulnerable logic, and exploit status. Analysis should remain constrained to version exposure and availability impact unless Atlassian provides more detail.
Mitigation direction
- Check Atlassian guidance for JRASERVER-70883 before making changes.
- Upgrade affected Jira Server or Data Center instances to fixed or supported versions.
- Prioritize externally reachable Jira systems and business-critical instances.
- Temporarily reduce unnecessary external access until remediation is complete.
Validation and detection
- Inventory Jira Server and Data Center versions in use.
- Confirm whether versions are before 7.13.9 or 8.0.0 before 8.4.2.
- Identify whether Jira is reachable from the internet or untrusted networks.
- Review monitoring for Jira availability degradation around UserPickerBrowser.jspa.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-20413 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/JRASERVER-70883CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.