CVE-2019-3799: Directory Traversal with spring-cloud-config-server

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 85.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-05-06 · updated 2026-06-17
Weakness: CWE-22

Description

Spring Cloud Config, versions 2.1.x prior to 2.1.2, versions 2.0.x prior to 2.0.4, and versions 1.4.x prior to 1.4.6, 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 a directory traversal attack.

Affected products

Oracle Communications Cloud Native Core Policy: 1.15.0
Spring Cloud Config: from 1.4.0 before 1.4.6; from 2.0.0 before 2.0.4; from 2.1.0 before 2.1.2 — fixed in 1.4.6, 2.0.4, 2.1.2
Spring Cloud Config: from 2.0 before v2.0.4.RELEASE; from 1.4 before v1.4.6.RELEASE; from 2.1 before v2.1.2.RELEASE — fixed in v2.0.4.RELEASE, v1.4.6.RELEASE, v2.1.2.RELEASE

How to fix

Upgrade to a fixed version: Spring Cloud Config 1.4.6, 2.0.4, 2.1.2; Spring Cloud Config v2.0.4.RELEASE, v1.4.6.RELEASE, v2.1.2.RELEASE. Check the vendor advisory for mitigations.

References

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