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Cloud Foundry Elastic Runtime CVE-2016-2165

MEDIUM
Improper Input Validation (CWE-20)
2017-05-25 security_alert@emc.com
Information Disclosure Elastic Cloud Foundry Elastic Runtime Cf Release Cloudfoundry Pivotal Software
6.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-20
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.26%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

The Loggregator Traffic Controller endpoints in cf-release v231 and lower, Pivotal Elastic Runtime versions prior to 1.5.19 AND 1.6.x versions prior to 1.6.20 are not cleansing request URL paths when. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. The Loggregator Traffic Controller endpoints in cf-release v231 and lower, Pivotal Elastic Runtime versions prior to 1.5.19 AND 1.6.x versions prior to 1.6.20 are not cleansing request URL paths when they are invalid and are returning them in the 404 response. This could allow malicious scripts to be written directly into the 404 response. Affected products include: Cloudfoundry Cf-Release, Pivotal Software Cloud Foundry Elastic Runtime. Version information: prior to 1.5.19.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

DescriptionCVE.org

The Loggregator Traffic Controller endpoints in cf-release v231 and lower, Pivotal Elastic Runtime versions prior to 1.5.19 AND 1.6.x versions prior to 1.6.20 are not cleansing request URL paths when they are invalid and are returning them in the 404 response. This could allow malicious scripts to be written directly into the 404 response.

Threat Intelligence Overview

EPSS Score
0.3%
Top 51% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:cloudfoundry:cf-release:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.3:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.4:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.5:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.6:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.7:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.8:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.9:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.10:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.11:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.12:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.13:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.14:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.15:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.16:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_elastic_runtime:1.6.17:*:*:*:*:*:*:*
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References

Advisories & patches
ADVISORY https://pivotal.io/security/cve-2016-2165

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