Security readout for executives and security teams
Plain-English summary
CVE-2015-3907 affects CodeIgniter Rest Server, also called codeigniter-restserver, version 2.7.1. The source states it allows XML External Entity attacks. For business owners, the concern is any older application using this module may process XML unsafely, creating data exposure risk. Severity and fixes are not provided in the source bundle.
Executive priority
Prioritize discovery first. The issue can be serious if exposed in public APIs, but the source bundle lacks severity, patch, and exploitation evidence. Assign near-term remediation ownership for any confirmed use of version 2.7.1.
Technical view
The CVE description identifies an XXE issue in codeigniter-restserver 2.7.1. XXE vulnerabilities typically arise when XML parsers process attacker-controlled external entities. The bundle does not provide CVSS, CWE, patch version, exploit details, or affected CPEs, so exposure assessment must be tied to local dependency and XML endpoint inventory.
Likely exposure
Exposure is most likely in legacy CodeIgniter applications that include CodeIgniter Rest Server/codeigniter-restserver 2.7.1, especially if public API routes accept XML. The provided affected-product metadata is incomplete, so confirm against local dependency manifests and deployed application code.
Exploitation context
The source bundle does not cite active exploitation, and KEV status is false. The public description only says the module allows XXE attacks. Treat internet-facing XML-capable endpoints as higher concern, but do not assume exploitation without additional evidence.
Researcher notes
Evidence is sparse: the CVE record and bundled reference identify XXE in codeigniter-restserver 2.7.1, but no CVSS, CWE, CPE, patch, or exploitation details are included. Validation should focus on dependency versioning, XML parsing paths, and vendor-confirmed remediation.
Mitigation direction
- Identify applications using codeigniter-restserver 2.7.1.
- Check upstream or vendor guidance for fixed versions or mitigations.
- Reduce public exposure of XML-capable endpoints until remediation is confirmed.
- Apply vendor-recommended XML parser hardening where applicable.
- Prioritize replacement of unsupported or unmaintained vulnerable components.
Validation and detection
- Search dependency manifests for codeigniter-restserver version 2.7.1.
- Map public API routes using CodeIgniter Rest Server.
- Confirm whether those routes accept XML request bodies.
- Verify remediation against vendor guidance, not assumptions.
- Document systems where version or XML exposure cannot be confirmed.
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
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CVE-2015-3907 mapping review
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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://kb.hitcon.org/post/127839729207/codeigniter-rest-server-module-xxe-cve-2015-3907CVE 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.