VDB
RHSA-2023%3A4200
RHSA-2023%3A4200
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in Spring Boot, occurring prominently in Spring MVC with a reverse proxy cache. This issue requires Spring MVC to have auto-configuration enabled and the application to use Spring Boot's welcome page support, either static or templated, resulting in the application being deployed behind a proxy that caches 404 responses. This issue may cause a denial of service (DoS) attack.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat build of OptaPlanner 8 |
Timeline
- Jul 18, 2023 CVE Published
- Mar 18, 2026 CVE Updated
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2023:4200 advisory
- https://access.redhat.com/security/updates/classification/#important advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2209342 issue
- https://issues.redhat.com/browse/RHBOP-42 advisory
- https://issues.redhat.com/browse/RHBOP-49 advisory
- https://issues.redhat.com/browse/RHBOP-50 advisory
- https://issues.redhat.com/browse/RHBOP-52 advisory
- https://issues.redhat.com/browse/RHBOP-53 advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4200.json advisory
- https://access.redhat.com/security/cve/CVE-2023-20883 advisory
- https://www.cve.org/CVERecord?id=CVE-2023-20883 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-20883 advisory