CVE-2017-4994· NVD / CVE Program· CNA dell

An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v263; UAA release 2.x versions prior to v2.7.4.18, 3.6.x ve

An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v263; UAA release 2.x versions prior to v2.7.4.18, 3.6.x versions prior to v3.6.12, 3.9.x versions prior to v3.9.14, and other versions prior to v4.3.0; and UAA bosh release (uaa-release) 13.x versions prior to v13.16, 24.x versions prior to v24.11, 30.x versions prior to 30.4, and other versions prior to v40. There was an issue with forwarded http headers in UAA that could result in account corruption.

HighCVSS 7.5 · v3.0—No exploit No fix recorded

Pre-auth

Published: Jun 13, 2017
Updated: Jun 16, 2026
EPSS: 1.1% · 65th percentile
CWE: CWE-20

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Action score

Monitor

Low priority for now.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 1.1%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

Vendor	Product	CPE
cloudfoundry	cloud foundry uaa bosh	cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh
pivotal software	cloud foundry cf	cpe:2.3:a:pivotal_software:cloud_foundry_cf
pivotal software	cloud foundry uaa	cpe:2.3:a:pivotal_software:cloud_foundry_uaa

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

cloudfoundry cloud foundry uaa boshup to 39 inclusive
cloudfoundry cloud foundry uaa bosh13.1
cloudfoundry cloud foundry uaa bosh13.10
cloudfoundry cloud foundry uaa bosh13.11
cloudfoundry cloud foundry uaa bosh13.12
cloudfoundry cloud foundry uaa bosh13.13
cloudfoundry cloud foundry uaa bosh13.14
cloudfoundry cloud foundry uaa bosh13.15
cloudfoundry cloud foundry uaa bosh13.2
cloudfoundry cloud foundry uaa bosh13.3
cloudfoundry cloud foundry uaa bosh13.4
cloudfoundry cloud foundry uaa bosh13.5
cloudfoundry cloud foundry uaa bosh13.6
cloudfoundry cloud foundry uaa bosh13.7
cloudfoundry cloud foundry uaa bosh13.8
cloudfoundry cloud foundry uaa bosh13.9
cloudfoundry cloud foundry uaa bosh24
cloudfoundry cloud foundry uaa bosh24.1
cloudfoundry cloud foundry uaa bosh24.10
cloudfoundry cloud foundry uaa bosh24.2

Versions reported by the vendor

Affected version ranges reported by the assigning authority (dell). Independent of NVD's CPE analysis and usually ahead of it.

n/a Cloud Foundry
- Cloud Foundryaffected

Same product

cloudfoundry: all records

Other highest-scoring records for the same primary product.

CVE-2016-6637Multiple cross-site request forgery (CSRF) vulnerabilities in Pivotal Cloud Foundry (PCF) before 242; UAA 2.x before 2.7.4.7, 3.x before 3.3
38Monitor
CVE-2016-4468SQL injection vulnerability in Pivotal Cloud Foundry (PCF) before 238; UAA 2.x before 2.7.4.4, 3.x before 3.3.0.2, and 3.4.x before 3.4.1; U
36Monitor
CVE-2016-6651The UAA /oauth/token endpoint in Pivotal Cloud Foundry (PCF) before 243; UAA 2.x before 2.7.4.8, 3.x before 3.3.0.6, and 3.4.x before 3.4.5;
36Monitor
CVE-2017-4973An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v257; UAA release 2.x versions prior to v2.7.4.14, 3.6.x ve
35Monitor
CVE-2016-3084The UAA reset password flow in Cloud Foundry release v236 and earlier versions, UAA release v3.3.0 and earlier versions, all versions of Log
32Monitor
CVE-2016-6659Cloud Foundry before 248; UAA 2.x before 2.7.4.12, 3.x before 3.6.5, and 3.7.x through 3.9.x before 3.9.3; and UAA bosh release (aka uaa-rel
32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: none
Integrity: high · data or configuration can be modified
Availability: none

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: High
Availability impact: None

Weakness class (CWE)

CWE-20 · Improper Input Validation

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

www.cloudfoundry.org/cve-2017-4994/

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records