CVE-2021-29753Network attack vector

Credential disclosure via client-bound binding passwords

Published Nov 5, 2021 · Updated Sep 17, 2024

Credential exposure in IBM BAW 18.0 through 21.0 and Business Process Manager 8.5 through 8.6 allows remote attackers to retrieve passwords. Server and REST service bindings transmit stored passwords to a client browser instead of keeping those credentials server-side. Exploitation requires a high-complexity network request but no authentication or user interaction, and exposes confidentiality without altering data or interrupting service.

CVSS severity5.9
Medium
EPSS probability0.80%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential exposure in IBM BAW 18.0 through 21.0 and Business Process Manager 8.5 through 8.6 allows remote attackers to retrieve passwords. Server and REST service bindings transmit stored passwords to a client browser instead of keeping those credentials server-side. Exploitation requires a high-complexity network request but no authentication or user interaction, and exposes confidentiality without altering data or interrupting service.

The record

CVE
CVE-2021-29753
Published
Nov 5, 2021
Updated
Sep 17, 2024
Vendor
IBM
Product
Business Automation Workflow
Classifications
CWE-319
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 5, 2021CVE 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=18.0
  2. Affected versionversion=19.0
  3. Affected versionversion=20.0
  4. Affected versionversion=21.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Business Automation Workflowversion=18.0; version=19.0; version=20.0; version=21.0
IBM · Business Process Managerversion=8.5; version=8.6

Published CVSS scores

5.9IBM CorporationCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:P/I:N/A:N
5.2IBM CorporationCVSS:3.0/PR:N/C:H/S:U/AV:N/UI:N/A:N/AC:H/I:N/RC:C/RL:O/E:U
5.9NIST NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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