What’s Vulnerable › Vulnerabilities

CVE-2020-5410: Directory Traversal with spring-cloud-config-server

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-25
• EPSS: 95.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-02 · updated 2026-06-17
• Weakness: CWE-23

Description

Spring Cloud Config, versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user, or attacker, can send a request using a specially crafted URL that can lead to a directory traversal attack.

Affected products

• Spring Cloud Config: from 2.1.0 before 2.1.9; from 2.2.0 before 2.2.3 — fixed in 2.1.9, 2.2.3
• Spring Cloud Config: from 2.1 before 2.1.9; from 2.2 before 2.2.3 — fixed in 2.1.9, 2.2.3

How to fix

Upgrade to a fixed version: Spring Cloud Config 2.1.9, 2.2.3; Spring Cloud Config 2.1.9, 2.2.3. Check the vendor advisory for mitigations.

References

• https://tanzu.vmware.com/security/cve-2020-5410
• https://tanzu.vmware.com/security/cve-2020-5410
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5410

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