Security readout for executives and security teams
Plain-English summary
CVE-2021-36791 concerns the TYPO3 dated_news/Dated News extension through version 5.1.1. Public source data says it can disclose application registration data. The source bundle does not provide CVSS scoring, affected CPEs, exploit details, or a named fixed version, so urgency depends on whether your TYPO3 sites use this extension.
Executive priority
Treat this as an inventory-driven exposure check, not a confirmed emergency. If the extension is present on internet-facing TYPO3 sites, assign ownership and follow TYPO3 guidance promptly because the issue involves information disclosure.
Technical view
The CVE record describes an information disclosure issue in the dated_news TYPO3 extension through 5.1.1. The disclosed data is described only as application registration data. No CWE, CVSS vector, exploit primitive, authentication requirement, or vulnerable endpoint is provided in the bundle.
Likely exposure
Exposure is likely limited to TYPO3 deployments with the dated_news/Dated News extension installed at version 5.1.1 or earlier. The bundle does not identify operating systems, hosting models, CPEs, or whether exposure requires public reachability.
Exploitation context
The CVE is not listed as CISA KEV in the source bundle, and no cited source here confirms active exploitation. Public evidence provided is too limited to assess exploit maturity, attacker prerequisites, or likelihood of broad scanning.
Researcher notes
The bundle lacks key triage data: CVSS, CWE, fixed version, attack vector, authentication requirement, and exploit status. Avoid assumptions beyond dated_news through 5.1.1 on TYPO3 and the stated information disclosure of application registration data.
Mitigation direction
- Inventory TYPO3 instances for dated_news or Dated News extension usage.
- Confirm whether installed versions are 5.1.1 or earlier.
- Review TYPO3-EXT-SA-2021-013 for official remediation guidance.
- Prioritize remediation for public or externally managed TYPO3 sites.
- Monitor TYPO3 advisory sources for fixed-version or severity updates.
Validation and detection
- Check TYPO3 extension inventories across production and staging sites.
- Record dated_news extension versions and affected site ownership.
- Review access logs for suspicious requests only after identifying affected sites.
- Confirm remediation status against TYPO3’s official advisory.
- Document residual risk where vendor guidance is unavailable.
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-2021-36791 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/help/security-advisories/securityCVE reference · x_refsource_MISC
- https://typo3.org/security/advisory/typo3-ext-sa-2021-013CVE 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.