Security readout for executives and security teams
Plain-English summary
CVE-2021-41304 is an anonymous, remote cross-site scripting issue in Atlassian Jira Server and Data Center. An attacker could inject HTML or JavaScript into an error message, creating risk of browser-side compromise for users who encounter the malicious content. The bundle provides no CVSS score and no active exploitation evidence.
Executive priority
Treat this as a moderate-priority Jira hygiene issue. It is remotely reachable and anonymous according to the CVE, but the bundle provides no severity score or active exploitation evidence. Prioritize exposed or administrator-heavy Jira deployments.
Technical view
Affected Jira Server and Data Center versions allow arbitrary HTML or JavaScript injection through the /secure/admin/ImporterFinishedPage.jspa error message. Affected ranges are before 8.13.12 and 8.14.0 before 8.20.2. The source bundle does not provide CVSS, CWE, exploit maturity, or detailed remediation instructions.
Likely exposure
Exposure is most likely in self-managed Jira Server or Data Center deployments running the affected version ranges, especially internet-facing instances or environments where untrusted users can reach Jira pages.
Exploitation context
The CVE states anonymous remote attackers can trigger the XSS condition. The source bundle does not identify exploitation in the wild, and CISA KEV status is false, so active exploitation should not be assumed.
Researcher notes
The public details are limited to product, affected ranges, and the vulnerable endpoint/error-message XSS condition. Avoid assuming exploit reliability, privilege impact, or specific payload behavior beyond arbitrary HTML or JavaScript injection stated by the CVE.
Mitigation direction
- Inventory Jira Server and Data Center versions across all environments.
- Move affected deployments off versions before 8.13.12 or 8.14.0 through before 8.20.2.
- Review Atlassian JRASERVER-72939 for vendor-specific upgrade or mitigation guidance.
- Prioritize internet-facing Jira instances and instances used by privileged administrators.
- Apply normal change control and test critical Jira workflows after upgrading.
Validation and detection
- Confirm each Jira instance version against the affected ranges in the CVE description.
- Check whether /secure/admin/ImporterFinishedPage.jspa is reachable from untrusted networks.
- Review access logs for unusual requests to the affected JSP path.
- Verify upgraded instances are no longer in the listed affected ranges.
- Document residual exposure where upgrade timing depends on operational constraints.
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-2021-41304 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-72939CVE 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.