Security readout for executives and security teams
Plain-English summary
CVE-2021-26215 is a reported cross-site request forgery issue in SeedDMS 5.1.x, specifically out.EditDocument.php. A successful CSRF issue can cause a logged-in user’s browser to perform unintended actions. Public metadata does not provide a CVSS score, confirmed patch, or evidence of active exploitation.
Executive priority
Treat this as an investigation and hygiene item unless SeedDMS 5.1.x is internet-facing or used by privileged users. No active exploitation is supported by the provided sources, but missing severity and fix details warrant prompt verification.
Technical view
The CVE record describes SeedDMS 5.1.x as affected by CSRF in out.EditDocument.php. The public source bundle does not identify exact vulnerable subversions, fixed versions, CVSS metrics, CWE mapping, or vendor remediation. CISA KEV status is false in the provided data.
Likely exposure
Organizations running SeedDMS 5.1.x may be exposed, especially if authenticated users access the application through a browser. Exposure depends on deployment scope, user roles, and whether vendor fixes or CSRF protections are already applied.
Exploitation context
CSRF generally requires a victim who is authenticated to the target application and can be induced to interact with attacker-controlled content. The provided sources do not show active exploitation, public weaponization status, or real-world incident reporting.
Researcher notes
The public record is sparse: no CVSS, CWE, affected CPEs, or fixed-version data are included. Analysis should be anchored to SeedDMS 5.1.x and out.EditDocument.php only. Avoid assuming other SeedDMS branches are affected without additional evidence.
Mitigation direction
- Inventory SeedDMS deployments and confirm whether any are version 5.1.x.
- Check SeedDMS vendor or project guidance for fixed versions or official mitigations.
- Limit SeedDMS access to trusted networks or VPN where practical.
- Review application CSRF protections before accepting residual risk.
- Prioritize remediation for internet-accessible or high-privilege deployments.
Validation and detection
- Confirm the installed SeedDMS version on each deployment.
- Identify whether out.EditDocument.php is present and reachable.
- Review change logs or vendor advisories for CSRF-related fixes.
- Check application logs for unexpected document edit activity.
- Verify whether anti-CSRF controls are enabled in the deployed application.
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-2021-26215 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.
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://tuhin1729.medium.com/cve-2021-26215-7ce6800be822CVE reference, mitre
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.