CVE-2021-43053

What it is

The Realm Server component of TIBCO Software Inc.'s TIBCO FTL - Community Edition, TIBCO FTL - Developer Edition, and TIBCO FTL - Enterprise Edition contains a difficult to exploit vulnerability that allows an unauthenticated attacker with network access to obtain the cluster secret of another application connected to the realm server. Affected releases are TIBCO Software Inc.'s TIBCO FTL - Community Edition: versions 6.7.2 and below, TIBCO FTL - Developer Edition: versions 6.7.2 and below, and TIBCO FTL - Enterprise Edition: versions 6.7.2 and below.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure.

Exploit odds

0.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-01-11 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:10 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.8% in the next 30 days (EPSS).
• Severity: 8.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-01-11 19:15 UTC

Last modified

2026-06-17 04:10 UTC

Exploit probability

0.8% · EPSS, next 30 days

Record status

Modified

Affected

• Tibco Ftl ≤ 6.7.2

Attack profile CVSS 3.1 · 8.5

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-43053.md and follow it. Check whether this project is affected by CVE-2021-43053. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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