CVE-2021-35498

TIBCO EBX Insecure Login Mechanism

CRITICAL
9.8
CVSS Score
Published: October 13, 2021 at 04:55 PM UTC
Updated: June 17, 2026 at 03:57 AM UTC
2 products affected across 1 vendorEBXProduct and Service Catalog Powered by Tibco Ebx

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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 5.8.123v < 5.8.1245.9.3 ≤ v < 5.9.156.0.0 ≤ v < 6.0.25.9.105.9.115.9.125.9.135.9.145.9.35.9.45.9.55.9.65.9.75.9.85.9.96.0.06.0.1
Affected range stops below 5.8.124, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.9.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

9.8CRITICALtibco
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-521

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