Security readout for executives and security teams
Plain-English summary
DNN, also known as DotNetNuke, before 9.2.0 had a server-side request forgery issue in DnnImageHandler. A remote attacker may be able to make the server request internal network resources, exposing information that is not directly reachable from the internet.
Executive priority
Treat this as a targeted remediation item for any remaining legacy DNN estate. It is not KEV-listed in the supplied data, but SSRF can expose internal information and should be closed during vulnerability cleanup.
Technical view
CVE-2017-0929 is an SSRF vulnerability in the DNN DnnImageHandler class affecting versions before 9.2.0. The public record states attackers may access information about internal network resources. No CVSS score, CWE, detailed affected CPEs, or exploit evidence is provided in the supplied sources.
Likely exposure
Exposure is most likely on DNN or DotNetNuke deployments running before 9.2.0, especially internet-facing sites where the vulnerable image handling path is reachable. The source bundle does not provide CPEs or a complete product inventory mapping.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. Public evidence only supports the existence of an SSRF issue and possible access to internal network resource information.
Researcher notes
Evidence is sparse: the CVE description names DnnImageHandler and versions before 9.2.0, while the reference is a DNN Platform commit. No exploit details, CVSS vector, CWE, or affected CPE list is included in the provided bundle.
Mitigation direction
- Identify any DNN or DotNetNuke deployments and record their versions.
- Upgrade deployments before 9.2.0 to 9.2.0 or later, aligned with vendor guidance.
- Review the linked DNN commit for the vendor’s code-level correction.
- Restrict outbound server requests to internal networks where operationally feasible.
- Monitor vendor advisories for any additional remediation guidance.
Validation and detection
- Confirm whether any production or legacy sites run DNN before 9.2.0.
- Verify DnnImageHandler-related code is updated to the vendor-fixed version.
- Review web server logs for unusual image handler requests.
- Check network controls limiting server access to internal metadata or services.
- Document evidence if version status cannot be conclusively determined.
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.
Cloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-0929 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://github.com/dnnsoftware/Dnn.Platform/commit/d3953db85fee77bb5e6383747692c507ef8b94c3CVE 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.
