Security readout for executives and security teams
Plain-English summary
This Redmine flaw can leak the subject line of an issue a user should not be able to see. The exposure comes through CSV export and time-entry data. It is not described as code execution or account takeover, but leaked issue titles can reveal sensitive projects, incidents, customers, or security work.
Executive priority
Prioritize remediation for Redmine systems containing confidential issue titles or strict project visibility boundaries. Treat as routine urgent patching, not emergency response, unless local data sensitivity is high.
Technical view
CVE-2020-36308 affects Redmine before 4.0.7 and Redmine 4.1.x before 4.1.1. The reported behavior lets attackers discover subjects of non-visible issues by exporting CSV data and reading time entries. The provided sources do not include CVSS, CWE, prerequisites, or detailed affected configuration.
Likely exposure
Organizations running affected Redmine versions are exposed, especially where issue visibility controls are used for private projects, security tickets, HR matters, or customer-sensitive work.
Exploitation context
The provided bundle does not show CISA KEV listing or active exploitation evidence. The issue appears to require access to CSV export or time-entry views, but exact attacker permissions are not specified.
Researcher notes
Evidence is limited to a concise CVE description and advisory references. Key missing details include CVSS, CWE, exact permissions required, and configuration dependence. Avoid assuming unauthenticated access or broader issue disclosure.
Mitigation direction
- Upgrade Redmine to 4.0.7, 4.1.1, or a later supported release.
- Apply Debian LTS Redmine security updates where Debian packages are used.
- Review Redmine security advisories for version-specific upgrade guidance.
- Temporarily limit CSV export and time-entry access until patched, if business risk is high.
Validation and detection
- Inventory all Redmine instances and record exact application versions.
- Confirm no instance runs Redmine before 4.0.7 or 4.1.x before 4.1.1.
- Review roles allowed to export CSV or view time entries.
- Check whether restricted issue subjects contain sensitive business or security information.
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-2020-36308 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://www.redmine.org/projects/redmine/wiki/Security_AdvisoriesCVE reference · x_refsource_MISC
- [debian-lts-announce] 20210513 [SECURITY] [DLA 2658-1] redmine security updateCVE reference · mailing-list, x_refsource_MLIST
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.