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CVE-2016-6639

21
FAUCET Score

CVE-2016-6639 describes an information disclosure vulnerability in Cloud Foundry PHP Buildpack versions before 4.3.18 and PHP Buildpack Cf-release before 242, impacting Pivotal Cloud Foundry Elastic Runtime and other products. The vulnerability arises from the placement of the .profile file within the htdocs directory, potentially allowing remote attackers to retrieve sensitive information via an HTTP GET request. This vulnerability is rated as High severity (CVSS 7.5), indicating a network-based attack with low complexity, requiring no privileges or user interaction, and leading to high confidentiality impact. There is no impact on integrity or availability. Currently, there is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3.17CPE matchmatch criteria
cpe:2.3:a:cloudfoundry:php-buildpack:*:*:*:*:*:*:*:*
<= 1.6.37CPE matchmatch criteria
cpe:2.3:a:pivotal:cloud_foundry_elastic_runtime:*:*:*:*:*:*:*:*
1.7.0CPE matchmatch criteria
cpe:2.3:a:pivotal:cloud_foundry_elastic_runtime:1.7.0:*:*:*:*:*:*:*
1.7.1CPE matchmatch criteria
cpe:2.3:a:pivotal:cloud_foundry_elastic_runtime:1.7.1:*:*:*:*:*:*:*
1.7.2CPE matchmatch criteria
cpe:2.3:a:pivotal:cloud_foundry_elastic_runtime:1.7.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 57th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / cloudfoundry/php-buildpack/commit/e2db3ccd4812e0c0aba20720fc51789d981aba67
PatchThird Party Advisory
pivotal.io / security/cve-2016-6639
Vendor Advisory