Security readout for executives and security teams
Plain-English summary
This is a legacy TYPO3 access-control issue. A remote attacker could retrieve ExtDirect endpoint service information from affected TYPO3 versions. The available sources do not provide CVSS, impact depth, or confirmed exploitation, so urgency depends on whether old TYPO3 systems remain internet-facing.
Executive priority
Prioritize remediation if any affected TYPO3 instance is still internet-facing. Otherwise, handle as legacy platform risk and confirm decommissioning or upgrade status.
Technical view
TYPO3 before 4.4.9 and TYPO3 4.5.x before 4.5.4 did not properly enforce access control on ExtDirect calls, allowing remote retrieval of ExtDirect endpoint services. Sources identify the flaw as missing access control but provide limited technical impact detail.
Likely exposure
Exposure is most likely in legacy TYPO3 deployments running versions before 4.4.9 or 4.5.x before 4.5.4, especially if externally reachable.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. It states remote attackers could retrieve ExtDirect endpoint services.
Researcher notes
Evidence is limited to the CVE description, Debian tracker, and TYPO3 advisory reference. No CVSS, CWE, exploit maturity, or detailed impact chain is provided in the bundle.
Mitigation direction
- Inventory TYPO3 installations and confirm exact core versions.
- Upgrade affected TYPO3 systems to a vendor-fixed release.
- Review TYPO3-CORE-SA-2011-001 for vendor guidance.
- Reduce external exposure for legacy TYPO3 systems until remediated.
Validation and detection
- Verify no production TYPO3 instance runs affected versions.
- Confirm upgrade status against TYPO3-CORE-SA-2011-001.
- Review logs for unusual ExtDirect service discovery activity.
- Document externally reachable TYPO3 assets and ownership.
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-2011-4904 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://security-tracker.debian.org/tracker/CVE-2011-4904CVE reference · x_refsource_MISC
- https://typo3.org/security/advisory/typo3-core-sa-2011-001/#Missing_Access_ControlCVE reference · x_refsource_CONFIRM
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.