CVE-2023-20873
CVE-2023-20873 is a critical-severity vulnerability in Vmware Spring Boot with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Vmware Spring Boot
- Published:
- Last modified:
Description
In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.
Frequently asked questions
- What is CVE-2023-20873?
- In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.
- How severe is CVE-2023-20873?
- CVE-2023-20873 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-20873 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-20873?
- CVE-2023-20873 affects Vmware Spring Boot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-20873?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-20873 published?
- CVE-2023-20873 was published on 2023-04-20 and last updated on 2026-06-17.
References
- https://security.netapp.com/advisory/ntap-20230601-0009/
- https://spring.io/blog/2023/05/18/spring-boot-2-5-15-and-2-6-15-available-now
- https://spring.io/security/cve-2023-20873
Affected products (1)
- cpe:2.3:a:vmware:spring_boot:*:*:*:*:*:*:*:*
More vulnerabilities in Vmware Spring Boot
- CVE-2021-26987 — Critical (CVSS 9.8): Element Plug-in for vCenter Server incorporates SpringBoot Framework. SpringBoot Framework versions prior to 1.3.2 are…
- CVE-2017-8046 — Critical (CVSS 9.8): Malicious PATCH requests submitted to servers using Spring Data REST versions prior to 2.6.9 (Ingalls SR9), versions…
- CVE-2026-40976 — Critical (CVSS 9.1): In certain circumstances, Spring Boot's default web security is ineffective allowing unauthorized access to all…
- CVE-2026-22733 — High (CVSS 8.2): Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an…
- CVE-2026-22731 — High (CVSS 8.2): Spring Boot applications with Actuator can be vulnerable to an "Authentication Bypass" vulnerability when an…
- CVE-2022-27772 — High (CVSS 7.8): spring-boot versions prior to version v2.2.11.RELEASE was vulnerable to temporary directory hijacking. This…