Security readout for executives and security teams
Plain-English summary
Affected Cloud Foundry Loggregator Traffic Controller endpoints can echo invalid URL paths into 404 pages without cleansing them. An attacker could cause script content to appear in that error response, creating a browser-side risk for users who open crafted links.
Executive priority
Treat as a targeted hygiene fix for legacy Cloud Foundry deployments. Prioritize if Traffic Controller endpoints are internet-accessible or used by administrators through browsers.
Technical view
CVE-2016-2165 affects cf-release v231 and lower, plus Pivotal Elastic Runtime before 1.5.19 and 1.6.x before 1.6.20. Invalid request URL paths are reflected in 404 responses without cleansing, enabling script injection in the response body.
Likely exposure
Exposure is limited to organizations running the listed Cloud Foundry or Pivotal Elastic Runtime versions with reachable Loggregator Traffic Controller endpoints.
Exploitation context
The bundle does not show KEV listing, public exploitation, CVSS, or exploit maturity. The described issue requires an invalid URL path reaching the endpoint and a browser processing the returned 404 response.
Researcher notes
This is best characterized as unsafe reflection in 404 responses on specific Loggregator Traffic Controller endpoints. The source bundle does not provide CVSS, CWE, exploit evidence, or detailed patch notes beyond affected version thresholds.
Mitigation direction
- Upgrade cf-release beyond v231 where applicable.
- Upgrade Elastic Runtime to 1.5.19, 1.6.20, or later as applicable.
- Review the Pivotal advisory for exact vendor guidance.
- Restrict access to Traffic Controller endpoints where operationally feasible.
Validation and detection
- Inventory Cloud Foundry cf-release and Elastic Runtime versions.
- Confirm whether Loggregator Traffic Controller endpoints are reachable by users or external networks.
- Review 404 handling for unsafe reflection of invalid paths.
- Check vendor advisory status for the deployed release line.
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-2016-2165 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://pivotal.io/security/cve-2016-2165CVE 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.