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Routing Release CVE-2024-22279

HIGH
HTTP Request/Response Smuggling (CWE-444)
2024-06-10 security@vmware.com
Information Disclosure Request Smuggling Cf Deployment Routing Release Cloudfoundry
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-444
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V4 - API and Web Service HTTP request consistency
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could manipulate HTTP request interpretation between frontend and backend servers by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Improper handling of requests in Routing Release > v0.273.0 and <= v0.297.0 allows an unauthenticated attacker to degrade the service availability of the Cloud Foundry deployment if performed at. Rated high severity (CVSS 7.5), 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. Enforce strict HTTP parsing, normalize requests at proxy layer, use HTTP/2 end-to-end, reject ambiguous headers.

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Technical ContextAI · show details

This vulnerability is classified as HTTP Request/Response Smuggling (CWE-444), which allows attackers to manipulate HTTP request interpretation between frontend and backend servers. Improper handling of requests in Routing Release > v0.273.0 and <= v0.297.0 allows an unauthenticated attacker to degrade the service availability of the Cloud Foundry deployment if performed at scale. Affected products include: Cloudfoundry Cf-Deployment, Cloudfoundry Routing Release.

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

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

Improper handling of requests in Routing Release > v0.273.0 and <= v0.297.0 allows an unauthenticated attacker to degrade the service availability of the Cloud Foundry deployment if performed at scale.

Threat Intelligence Overview

EPSS Score
0.4%
Top 68% exploitable
Data Quality
2 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 HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Yes
Human Impact· derived
Medium

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

HTTP Request Smuggling HIGH

HTTP request smuggling exploits inconsistencies in how front-end and back-end servers parse HTTP message boundaries.

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)NVD

cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*
cpe:2.3:a:cloudfoundry:routing_release:*:*:*:*:*:*:*:*

More in Routing Release

View all
CVE-2016-8218 CRITICAL
9.8 Jun 13

An issue was discovered in Cloud Foundry Foundation routing-release versions prior to 0.142.0 and cf-release versions 20
CVE-2019-11289 HIGH
8.6 Nov 19

Cloud Foundry Routing, all versions before 0.193.0, does not properly validate nonce input. Rated high severity (CVSS 8.
CVE-2018-1221 HIGH
8.1 Mar 19

In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket reque
CVE-2017-8034 MEDIUM
6.6 Jul 17

The Cloud Controller and Router in Cloud Foundry (CAPI-release capi versions prior to v1.32.0, Routing-release versions

CVE-2020-5416 MEDIUM
6.5 Aug 21

Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in fro
CVE-2019-3789 MEDIUM
6.5 Apr 24

Cloud Foundry Routing Release, all versions prior to 0.188.0, contains a vulnerability that can hijack the traffic to ro
CVE-2017-8047 MEDIUM
6.1 Oct 04

In Cloud Foundry router routing-release all versions prior to v0.163.0 and cf-release all versions prior to v274, in som
CVE-2023-20882 MEDIUM
5.9 May 26

In Cloud foundry routing release versions from 0.262.0 and prior to 0.266.0,a bug in the gorouter process can lead to a

CVE-2020-15586 MEDIUM
5.9 Jul 17

Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.Rev
CVE-2023-34041 MEDIUM
5.3 Sep 08

Cloud foundry routing release versions prior to 0.278.0 are vulnerable to abuse of HTTP Hop-by-Hop Headers. Rated medium
CVE-2020-5401 MEDIUM
5.3 Feb 27

Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send inva
CVE-2018-1193 MEDIUM
5.3 May 23

Cloud Foundry routing-release, versions prior to 0.175.0, lacks sanitization for user-provided X-Forwarded-Proto headers

Same weakness CWE-444 – HTTP Request/Response Smuggling

View all
CVE-2023-41265 CRITICAL POC
9.9
CVE-2026-48710 MEDIUM POC
6.5
CVE-2021-33037 MEDIUM
5.3
CVE-2026-88773 CRITICAL POC
9.3
CVE-2021-23336 MEDIUM POC
5.9
CVE-2018-3907 CRITICAL POC
10.0
CVE-2024-10264 CRITICAL POC
9.8
CVE-2022-2466 CRITICAL POC
9.8

Same technique Information Disclosure

View all
CVE-2019-2725 CRITICAL POC
9.8
CVE-2021-34523 CRITICAL POC
9.0
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
9.8
CVE-2025-68613 HIGH POC
8.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5

References

Advisories & patches
ADVISORY https://www.cloudfoundry.org/blog/cve-2024-22279-gorouter-denial-of-service-attack/

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