CVE-2021-43054Network attack vector

Cross-channel access via overprivileged API token generation

Published Jan 11, 2022 · Updated Sep 17, 2024

Authorization bypass in TIBCO eFTL 6.7.2 and earlier allows remote authenticated users to access any messaging channel over the network. The eFTL Server token-generation path issues API tokens with arbitrary channel permissions instead of constraining them to the requester's privileges. A low-privileged account is required; successful use grants full access to communications on an existing channel.

CVSS severity7.1
High
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in TIBCO eFTL 6.7.2 and earlier allows remote authenticated users to access any messaging channel over the network. The eFTL Server token-generation path issues API tokens with arbitrary channel permissions instead of constraining them to the requester's privileges. A low-privileged account is required; successful use grants full access to communications on an existing channel.

The record

CVE
CVE-2021-43054
Published
Jan 11, 2022
Updated
Sep 17, 2024
Vendor
TIBCO Software Inc.
Product
TIBCO eFTL - Developer Edition
Classifications
T1550.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=6.7.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

TIBCO Software Inc. · TIBCO eFTL - Developer Editionversion=unspecified <=6.7.2
TIBCO Software Inc. · TIBCO eFTL - Enterprise Editionversion=unspecified <=6.7.2
TIBCO Software Inc. · TIBCO eFTL - Community Editionversion=unspecified <=6.7.2

Published CVSS scores

7.1TIBCO Software Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1550.001Application Access Token

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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