What’s Vulnerable › Vulnerabilities
CVE-2023-20866
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-04-13 · updated 2026-06-17
- Weakness: CWE-200
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.
Affected products
- Spring Session: 3.0.0
- Spring Session: from Spring session versions 3.0.x prior through 3.0.1
References
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