Medium severity6.5NVD Advisory· Published Apr 13, 2023· Updated Jun 17, 2026
CVE-2023-20866
CVE-2023-20866
Description
In Spring Session version 3.0.0, the session id can be logged to the standard output stream. This vulnerability exposes sensitive information to those who have access to the application logs and can be used for session hijacking. Specifically, an application is vulnerable if it is using HeaderHttpSessionIdResolver.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.springframework.session:spring-session-coreMaven | >= 3.0.0, < 3.0.1 | 3.0.1 |
Affected products
3- cpe:2.3:a:vmware:spring_session:3.0.0:*:*:*:*:*:*:*
- Spring/Spring Sessiondescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-r7qr-f43m-pxfrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-20866ghsaADVISORY
- spring.io/security/cve-2023-20866nvdVendor AdvisoryWEB
- github.com/spring-projects/spring-session/commit/c98a7be0e2ced7f795018f05397dca4bd5ca8212ghsaWEB
- github.com/spring-projects/spring-session/issues/2215ghsaWEB
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