Exposure of Resource to Wrong Sphere in Spring Cloud OpenFeign

published 2021-10-28 5 y ago modified 2026-06-17 4 mo ago also GHSA-pf94-6v2v-cm3j , EUVD-2022-4750

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

In Spring Cloud OpenFeign 3.0.0 to 3.0.4, 2.2.0.RELEASE to 2.2.9.RELEASE, and older unsupported versions, applications using type-level `@RequestMapping`annotations over Feign client interfaces, can be involuntarily exposing endpoints corresponding to `@RequestMapping`-annotated interface methods.

Patch / fix

fixed in 1

maven org.springframework.cloud:spring-cloud-openfeign-core 2.2.10, 3.0.5

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.springframework.cloud:spring-cloud-openfeign-core	>=3.0.0, <3.0.5 >=2.2.0, <2.2.10	3.0.5 2.2.10

Affected products

n/a Spring Cloud OpenFeign

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-668 Exposure of Resource to Wrong Sphere

Technology feeds

Spring rss critical rss

References

tanzu.vmware.com /security/cve-2021-22044
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2021-22044
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary