Security readout for executives and security teams
Plain-English summary
CVE-2013-4793 is an unauthenticated remote code execution issue in Umbraco CMS before 6.0.4. A remote attacker could abuse the TemplateService update function to run arbitrary ASP.NET code. Public-facing legacy Umbraco sites should be treated as high urgency until version and exposure are confirmed.
Executive priority
Prioritize remediation for any internet-facing Umbraco CMS before 6.0.4. The business risk is server compromise, not just website defacement, because the flaw allows arbitrary ASP.NET code execution without authentication.
Technical view
The TemplateService component in umbraco.webservices/templates/templateService.cs did not require authentication for its update function in Umbraco CMS before 6.0.4. The CVE states crafted SOAP requests could lead to arbitrary ASP.NET code execution. The provided record has no CVSS, CWE, or detailed affected CPE metadata.
Likely exposure
Most likely exposure is legacy Umbraco CMS installations before 6.0.4 where the TemplateService SOAP interface is reachable from untrusted networks, especially internet-facing sites.
Exploitation context
The source bundle supports remote unauthenticated code execution, but does not show CISA KEV listing or current active exploitation evidence. Treat exploitability as serious based on impact, not confirmed active abuse.
Researcher notes
The bundle identifies Umbraco CMS before 6.0.4 and a TemplateService authentication failure. Affected-product metadata is sparse, and no CVSS or CWE is supplied. Do not claim active exploitation without additional evidence.
Mitigation direction
- Upgrade Umbraco CMS to version 6.0.4 or later.
- Restrict untrusted network access to Umbraco web services until upgraded.
- Review vendor and project guidance for any additional hardening steps.
- Prioritize replacement or isolation of unsupported legacy Umbraco deployments.
Validation and detection
- Inventory all Umbraco CMS instances and record exact versions.
- Confirm no instance before 6.0.4 is reachable from the internet.
- Check whether TemplateService web service paths are externally accessible.
- Review site changes and logs for unexpected template updates or ASP.NET code changes.
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-2013-4793 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://labs.mwrinfosecurity.com/advisories/2013/11/29/umbraco-cms-templateservice-remote-code-execution/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.