Security readout for executives and security teams
Plain-English summary
JetBrains YouTrack versions before 2020.3.888 could send notifications that mention issues a recipient was not allowed to access. This is primarily a confidentiality concern: restricted issue information may be exposed through notification text, even if the issue itself remains inaccessible.
Executive priority
Prioritize remediation where YouTrack contains sensitive customer, legal, security, or personnel issues. If issue titles and notifications are low sensitivity, handle through normal patch governance.
Technical view
The CVE describes an access-control-related information disclosure in YouTrack notification handling before version 2020.3.888. Available sources do not provide CVSS, CWE, exploit details, affected deployment modes, or a full advisory path beyond JetBrains’ public blog reference.
Likely exposure
Exposure is likely limited to organizations running JetBrains YouTrack before 2020.3.888, especially where restricted projects or issues are used. The source bundle does not specify cloud, self-hosted, or configuration-dependent scope.
Exploitation context
No provided source reports active exploitation, and the CVE is not listed as KEV. The available evidence only describes unintended notification mentions of inaccessible issues.
Researcher notes
The public record is sparse. Treat this as information disclosure through notification content, not proven direct issue access. Do not assume exploitability, affected configurations, or impact beyond the stated notification exposure.
Mitigation direction
- Identify any JetBrains YouTrack instances and record their versions.
- Upgrade YouTrack to 2020.3.888 or later where applicable.
- Review JetBrains guidance for any version-specific remediation details.
- Audit notification settings for projects containing sensitive issue metadata.
- Limit sensitive information in issue titles where notifications are broadly distributed.
Validation and detection
- Confirm each YouTrack instance is version 2020.3.888 or later.
- Review notification logs or email samples for restricted issue references.
- Test restricted-user notification behavior in a non-production project.
- Verify project permissions for sensitive or confidential issue trackers.
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-2020-27625 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://blog.jetbrains.com/CVE 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.