CVE-2021-22051

mediumpriority · track · 26OT risk · elevatedEPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 4 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-352USCWE-863US

affected products (5)

Products and version ranges known to be affected.

n/a Spring cloud Gateway≤ 3.0.0 to 3.0.4, 2.2.0.RELEASE to 2.2.9.RELEASE, and older versionsenisa_euvdEU
vmware spring cloud gateway< 2.2.10nvdUScpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*
vmware spring cloud gateway3.0.0 → 3.0.5nvdUScpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*
Maven org.springframework.cloud:spring-cloud-gateway2.2.0 → 2.2.10.RELEASE0.5osvUSpkg:maven/org.springframework.cloud/spring-cloud-gateway
Maven org.springframework.cloud:spring-cloud-gateway3.0.0 → 3.0.5osvUSpkg:maven/org.springframework.cloud/spring-cloud-gateway

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-2r2v-q399-qq93Request injection in Spring Cloud Gateway2021-11-10ghsa · osvUS
Applications using Spring Cloud Gateway are vulnerable to specifically crafted requests that could make an extra request on downstream services. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.5+, 2.2.x users should upgrade to 2.2.10.RELEASE or newer.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-11-08modified 2026-06-17

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+5006 more

references (3)

External citations — patches, advisories, analysis.

scry

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