CVE-2021-22051
CVE-2021-22051 is a medium-severity vulnerability in Vmware Spring Cloud Gateway with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Vmware Spring Cloud Gateway
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-22051?
- 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.
- How severe is CVE-2021-22051?
- CVE-2021-22051 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-22051 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22051?
- CVE-2021-22051 affects Vmware Spring Cloud Gateway. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-22051?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-22051 published?
- CVE-2021-22051 was published on 2021-11-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:vmware:spring_cloud_gateway:*:*:*:*:*:*:*:*
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