CVE-2019-11289: A forged route service request using an invalid nonce can cause the gorouter to panic and crash

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-19 · updated 2026-06-17
Weakness: CWE-20

Description

Cloud Foundry Routing, all versions before 0.193.0, does not properly validate nonce input. A remote unauthenticated malicious user could forge an HTTP route service request using an invalid nonce that will cause the Gorouter to crash.

Affected products

Cloud Foundry cf-deployment: before 12.8.0 — fixed in 12.8.0
Cloudfoundry Routing-Release: before 0.193.0 — fixed in 0.193.0

How to fix

Upgrade to a fixed version: Cloud Foundry cf-deployment 12.8.0; Cloudfoundry Routing-Release 0.193.0. Check the vendor advisory for mitigations.

References

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