CVE-2018-1221

8.1 highEPSS 1.2%

High (8.1) in cloudfoundry. EPSS 1.2% chance of exploitation in the next 30 days.

In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.

Severity

CVSS 3.1

8.1 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2018-03-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cloudfoundry:cf-deployment
cloudfoundry:routing-release

References

https://www.cloudfoundry.org/blog/cve-2018-1221/
https://www.cloudfoundry.org/blog/cve-2018-1221/

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