Security readout for executives and security teams
Plain-English summary
CVE-2020-4013 is a cross-site scripting issue in Atlassian Fisheye and Crucible before 4.8.1. A remote attacker could place arbitrary HTML or JavaScript in review objectives, potentially affecting users who view the impacted review content.
Executive priority
Treat as a targeted remediation item for affected Atlassian code-review systems. Prioritize upgrade if the tools are internet-facing, broadly accessible, or used by privileged engineering teams.
Technical view
The vulnerable review resource does not sufficiently neutralize HTML or JavaScript supplied through review objectives. Sources identify Atlassian Fisheye and Crucible before 4.8.1 as affected, but do not provide CVSS, CWE, authentication requirements, or detailed exploit conditions.
Likely exposure
Exposure is most relevant for organizations running Atlassian Fisheye or Crucible versions earlier than 4.8.1, especially where review content is accessible to multiple users.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. The issue is remotely triggerable according to the CVE description, but exploit maturity and prerequisites are not documented here.
Researcher notes
Evidence is limited to the CVE description and Atlassian issue references. No CVSS vector, CWE mapping, exploit status, or detailed remediation notes were included in the supplied bundle.
Mitigation direction
- Upgrade Atlassian Fisheye and Crucible to version 4.8.1 or later.
- Review Atlassian advisory tickets for product-specific fixed-version guidance.
- Restrict access to review creation and editing where upgrade is delayed.
- Monitor review content for unexpected scripts or HTML injection indicators.
Validation and detection
- Inventory deployed Fisheye and Crucible versions.
- Confirm no instance is running a version before 4.8.1.
- Review whether untrusted users can modify review objectives.
- Check logs and review histories for suspicious objective content.
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-2020-4013 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/FE-7282CVE reference · x_refsource_MISC
- https://jira.atlassian.com/browse/CRUC-8466CVE 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.