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CVE-2021-22051

MEDIUM
6.5
CVSS Score
Published: November 8, 2021 at 01:37 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorSpring Cloud Gateway

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spring Cloud Gateway· VMware
95%
v ≥ 3.0.0v < 2.2.103.0.0 ≤ v < 3.0.5
Affected range stops below 2.2.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.0.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://tanzu.vmware.com/security/cve-2021-22051

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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