Vulnerability in Igniterealtime Openfire
CVE-2025-59154
Openfire is an XMPP server licensed under the Open Source Apache License. Openfire’s SASL EXTERNAL mechanism for client TLS authentication contains a vulnerability in how it extracts user identities from X.509 certificates. Instead of pars…
EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Igniterealtime Openfire — versions < 5.0.2
Weakness classification (CWE)
References
- https://github.com/igniterealtime/Openfire/security/advisories/GHSA-w252-645g-87mp (x_refsource_CONFIRM)
- https://github.com/igniterealtime/Openfire/blob/8d073dda36905da0fdee7cb623c025a01a5cbf6b/xmppserver/src/main/java/org/jivesoftware/util/cert/CNCertificateIdentityMapping.java#L43 (x_refsource_MISC)
- https://igniterealtime.atlassian.net/browse/OF-3122 (x_refsource_MISC)
- https://igniterealtime.atlassian.net/browse/OF-3123 (x_refsource_MISC)
- https://igniterealtime.atlassian.net/browse/OF-3124 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-59154?
- CVE-2025-59154 is a medium-severity vulnerability in Igniterealtime Openfire, classified under Authentication Bypass by Spoofing. CVSS score: 5.9/10. Published 2025-09-15.
- How severe is CVE-2025-59154?
- Medium severity. CVSS v3 base score is 5.9 out of 10.