CVE Catalog

CVE-2025-59028

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.40%

33th percentile - higher than 33% of all known CVEs

Summary

When sending invalid base64 SASL data, the login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. No publicly available exploits are known.

Risk Assessment

An attacker can disrupt the login process for all users, potentially leading to service unavailability. This can impact productivity and system availability.

Recommendation

Install the fixed version or disable concurrency in login processes (heavy performance penalty on large deployments).

Related vulnerabilities

Original NVD description (English source)

When sending invalid base64 SASL data, login process is disconnected from the auth server, causing all active authentication sessions to fail. Invalid BASE64 data can be used to DoS a vulnerable server to break concurrent logins. Install fixed version or disable concurrency in login processes (heavy perfomance penalty on large deployments). No publicly available exploits are known.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS