CVE-2023-34061Network attack vector

Unauthenticated service degradation via forced route pruning

Published Jan 12, 2024 · Updated Jun 3, 2025

Denial of service in Cloud Foundry routing-release 0.163.0 through 0.283.0 allows remote attackers to force route pruning. The vendor has not disclosed the request field, handler, or validation error responsible for processing untrusted input and pruning routes. Exploitation requires no authentication or user interaction and degrades application reachability, with no reported confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Cloud Foundry routing-release 0.163.0 through 0.283.0 allows remote attackers to force route pruning. The vendor has not disclosed the request field, handler, or validation error responsible for processing untrusted input and pruning routes. Exploitation requires no authentication or user interaction and degrades application reachability, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2023-34061
Published
Jan 12, 2024
Updated
Jun 3, 2025
Vendor
Cloud Foundry Foundation
Product
cf-deployment
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.28.0 <33.6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Cloud Foundry Foundation · cf-deploymentversion=0.28.0 <33.6.0
Cloud Foundry Foundation · Routing Releaseversion=0.163.0 <0.284.0

Published CVSS scores

7.5VMwareCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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