6.5

CVE-2021-22051: vmware spring_cloud_gateway Incorrect Authorization

CVSS: 6.5v3.1MediumModified
AliasesGHSA-2r2v-q399-qq93
Published 08-11-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-22051 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in vmware spring_cloud_gateway. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 51.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.69%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

0.00 pp

From 0.69% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Org.springframework.cloud1 product
  • spring-cloud-gateway≥ 3.0.0, < 3.0.5 | ≥ 2.2.0, < 2.2.10.RELEASE0.5
Vmware1 product

2 vendors · 2 products

References

2 links