CVE-2020-5412: Spring Cloud Netflix, versions 2.2.x prior to 2.2.4, versions 2.1.x prior to 2.1.6, and older unsupported vers

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MEDIUM 6.5UPGRADE

CVE-2020-5412 is a medium-severity flaw (CVSS 6.5) affecting spring cloud netflix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Spring Cloud Netflix, versions 2.2.x prior to 2.2.4, versions 2.1.x prior to 2.1.6, and older unsupported versions allow applications to use the Hystrix Dashboard proxy.stream endpoint to make requests to any server reachable by the server hosting the dashboard. A malicious user, or attacker, can send a request to other servers that should not be exposed publicly.

Why this priority

EPSS top 4%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	10.2% (top 4%)
CISA exploited list	No
Weakness	CWE-441, CWE-610
Published	2020-08-07
Last modified	2026-06-17

Publisher (CNA): Pivotal Software, Inc. · Vendor: vmware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-08-07 21:15 UTCPublished CVE record published
2026-06-17 03:21 UTCUpdated Record last modified

vmware spring cloud netflix UPGRADE

Affected: < 2.1.6 · >= 2.2.0 and < 2.2.4

Fixed in: 2.1.6, 2.2.4

Safe to downgrade to: a release before 2.2.0

1. Check installed version

apt-cache policy spring-cloud-netflix || rpm -q spring-cloud-netflix || spring-cloud-netflix --version

2. UPGRADE to 2.1.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spring-cloud-netflix

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spring-cloud-netflix

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.2.0 (Debian / Ubuntu)

apt-cache madison spring-cloud-netflix sudo apt install spring-cloud-netflix=<VERSION_BEFORE_2.2.0> sudo apt-mark hold spring-cloud-netflix

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spring-cloud-netflix sudo dnf downgrade spring-cloud-netflix-<VERSION_BEFORE_2.2.0> sudo dnf versionlock add spring-cloud-netflix

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Spring Cloud Netflix - Server-Side Request Forgery

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-5412?

spring cloud netflix: upgrade to 2.1.6, 2.2.4. Exact commands for each OS are on this page.

Is CVE-2020-5412 being exploited?

CVE-2020-5412 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-5412 affect?

CVE-2020-5412 affects spring cloud netflix. Severity is medium (CVSS 6.5). Spring Cloud Netflix, versions 2.2.x prior to 2.2.4, versions 2.1.x prior to 2.1.6, and older unsupported versions allow applications to use the Hystrix Dashboard proxy.stream endpoint to make requests to any server reachable by the server

How urgent is CVE-2020-5412?

Priority 47/100. EPSS top 4%: very likely to be exploited

Software pages

VMware vulnerabilities

Related CVEs

CVE-2021-22053 HIGH 8.8 UPGRADE Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose a

References

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