What’s Vulnerable › Vulnerabilities

CVE-2021-35498: TIBCO EBX Insecure Login Mechanism

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-13 · updated 2026-06-17
• Weakness: CWE-521

Description

The TIBCO EBX Web Server component of TIBCO Software Inc.'s TIBCO EBX, TIBCO EBX, TIBCO EBX, and TIBCO Product and Service Catalog powered by TIBCO EBX contains a vulnerability that under certain specific conditions allows an attacker to enter a password other than the legitimate password and it will be accepted as valid. Affected releases are TIBCO Software Inc.'s TIBCO EBX: versions 5.8.123 and below, TIBCO EBX: versions 5.9.3, 5.9.4, 5.9.5, 5.9.6, 5.9.7, 5.9.8, 5.9.9, 5.9.10, 5.9.11, 5.9.12, 5.9.13, and 5.9.14, TIBCO EBX: versions 6.0.0 and 6.0.1, and TIBCO Product and Service Catalog powered by TIBCO EBX: version 1.0.0.

Affected products

• TIBCO Software Inc. TIBCO EBX: before 5.8.124; from 5.9.3 before 5.9.15; from 6.0.0 before 6.0.2 — fixed in 5.8.124, 5.9.15, 6.0.2
• TIBCO Product And Service Catalog Powered By Tibco Ebx: 1.0.0

How to fix

Upgrade to a fixed version: TIBCO Software Inc. TIBCO EBX 5.8.124, 5.9.15, 6.0.2. Check the vendor advisory for mitigations.

References

• https://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/10/tibco-security-advisory-october-13-2021-tibco-ebx-2021-35498
• https://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/10/tibco-security-advisory-october-13-2021-tibco-ebx-2021-35498

Get alerted when CVE-2021-35498 or the next vulnerability affects your stack