Security readout for executives and security teams
Plain-English summary
CVE-2013-4320 is a TYPO3 file permission flaw in the File Abstraction Layer. An authenticated remote user could use a crafted URL to create or read files they should not access. The business risk is unauthorized disclosure or file creation on older TYPO3 6.0.x and 6.1.x sites.
Executive priority
Prioritize remediation for any legacy TYPO3 6.0.x or 6.1.x system with multiple authenticated users. This is not supported as actively exploited in the supplied sources, but unauthorized file read or creation can expose sensitive content or enable further operational risk.
Technical view
TYPO3 FAL in 6.0.x before 6.0.9 and 6.1.x before 6.1.4 improperly checks permissions. The published CVE states authenticated remote users can create or read arbitrary files via a crafted URL. The provided data does not include CVSS, CWE, detailed prerequisites, or exploit telemetry.
Likely exposure
Exposure is limited to TYPO3 6.0.x before 6.0.9 and 6.1.x before 6.1.4. Risk is higher where untrusted or broadly provisioned users can authenticate. The source bundle does not identify specific modules, roles, or deployment configurations beyond FAL.
Exploitation context
The bundle does not support active exploitation claims, and CISA KEV is false. Exploitation requires authenticated remote access according to the CVE description. Impact is still meaningful because arbitrary file read or creation can affect confidentiality and system integrity.
Researcher notes
Evidence is sparse: no CVSS, CWE, normalized CPEs, role detail, or exploit status is provided. Treat the version bounds and authenticated arbitrary file read/create impact as the reliable facts. Use the TYPO3 bulletin and CVE record as primary references.
Mitigation direction
- Upgrade TYPO3 6.0.x deployments to 6.0.9 or later in that branch.
- Upgrade TYPO3 6.1.x deployments to 6.1.4 or later in that branch.
- Review the TYPO3 security bulletin for branch-specific upgrade guidance.
- Restrict authenticated access to trusted users until affected systems are upgraded.
- Audit file storage permissions and unexpected file creation after remediation.
Validation and detection
- Inventory TYPO3 instances and confirm exact core versions.
- Flag TYPO3 6.0.x below 6.0.9 and 6.1.x below 6.1.4.
- Confirm the File Abstraction Layer is not exposed to unnecessary authenticated users.
- Review authenticated file access and file creation activity for anomalies.
- Verify upgraded systems report fixed TYPO3 core versions.
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-2013-4320 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://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2013-003/CVE 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.