CVE-2021-22053
CVE-2021-22053 is a high-severity vulnerability in Vmware Spring Cloud Netflix with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 13% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Vmware Spring Cloud Netflix
- Published:
- Last modified:
Description
Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose a way to execute code submitted within the request URI path during the resolution of view templates. When a request is made at `/hystrix/monitor;[user-provided data]`, the path elements following `hystrix/monitor` are being evaluated as SpringEL expressions, which can lead to code execution.
Frequently asked questions
- What is CVE-2021-22053?
- Applications using both `spring-cloud-netflix-hystrix-dashboard` and `spring-boot-starter-thymeleaf` expose a way to execute code submitted within the request URI path during the resolution of view templates. When a request is made at `/hystrix/monitor;[user-provided data]`, the path elements following `hystrix/monitor` are being evaluated as SpringEL expressions, which can lead to code execution.
- How severe is CVE-2021-22053?
- CVE-2021-22053 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-22053 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22053?
- CVE-2021-22053 affects Vmware Spring Cloud Netflix. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-22053?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-22053 published?
- CVE-2021-22053 was published on 2021-11-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:vmware:spring_cloud_netflix:*:*:*:*:*:*:*:*
More vulnerabilities in Vmware Spring Cloud Netflix
- CVE-2020-5412 — 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…
All CVEs affecting Vmware Spring Cloud Netflix →
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