UAA fails to check the state parameter when authenticating with external IDPs
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
In Cloud Foundry UAA, versions prior to 74.14.0, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function when authenticating with external identity providers.
Why it matters now
EPSS 0.00486 42nd percentileScored 2026-11-07
Fix Fixed UAA (Cloud Foundry): v74.14.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cloud Foundry | UAA | before v74.14.0 | v74.14.0 | Patch available | CNA |
- UAA VendorCloud Foundry Affected before v74.14.0 Fixed in v74.14.0 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:* | before 12.33.0 | Vulnerable | CloudFoundry Foundation |
| cpe:2.3:a:cloudfoundry:user_account_and_authentication:*:*:*:*:*:*:*:* | before 74.14.0 | Vulnerable | CloudFoundry Foundation |
- cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:* Versions before 12.33.0 Vulnerable ·CloudFoundry Foundation
- cpe:2.3:a:cloudfoundry:user_account_and_authentication:*:*:*:*:*:*:*:* Versions before 74.14.0 Vulnerable ·CloudFoundry Foundation
Remediation
- Fix · CNA UAA (Cloud Foundry) Fixed in v74.14.0
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5402
- 2026-10-03 Alias added: GHSA-5fqw-8f7q-58m9
References
More Cloud Foundry vulnerabilities
- TI-2018-11240 UAA Privilege Escalation CVSS 3.0CRITICAL 9.9
- TI-2018-01169 Log Cache logs UAA client secret on startup CVSS 3.0CRITICAL 9.8
- TI-2018-07868 Cloud Foundry UAA MFA does not prevent brute force of MFA code CVSS 3.0CRITICAL 9.8
- TI-2026-18259 Cloud Foundry UAA SAML 2.0 Signature Bypass CVSS 3.1HIGH 8.6
- TI-2019-02813 Java Projects using HTTP to fetch dependencies CVSS 3.1CRITICAL 9.8
- TI-2024-24613 Authentication bypass by spoofing in Cloud Foundry haproxy-boshrelease CVSS 3.1CRITICAL 9.1
Sources
- CVE-2020-5402 · CVE Program
- CVE-2020-5402 · NVD
- FIRST EPSS
- GHSA-5fqw-8f7q-58m9 · GitHub Advisory Database · CC BY 4.0
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