How severe is CVE-2021-29753?

CVE-2021-29753 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-29753 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29753?

CVE-2021-29753 primarily affects Ibm Business Automation Workflow. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-29753?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-29753 published?

CVE-2021-29753 was published on 2021-11-05 and last updated on 2026-06-17.

CVE-2021-29753

CVE-2021-29753 is a medium-severity vulnerability in Ibm Business Automation Workflow with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Ibm Business Automation Workflow
Published: 2021-11-05
Last modified: 2026-06-17

Description

IBM Business Automation Workflow 18. 19, 20, 21, and IBM Business Process Manager 8.5 and d8.6 transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Frequently asked questions

What is CVE-2021-29753?: IBM Business Automation Workflow 18. 19, 20, 21, and IBM Business Process Manager 8.5 and d8.6 transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
How severe is CVE-2021-29753?: CVE-2021-29753 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-29753 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29753?: CVE-2021-29753 primarily affects Ibm Business Automation Workflow. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-29753?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29753 published?: CVE-2021-29753 was published on 2021-11-05 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:ibm:business_automation_workflow:18.0.0.0:*:*:*:-:*:*:*
cpe:2.3:a:ibm:business_automation_workflow:19.0.0.0:*:*:*:-:*:*:*
cpe:2.3:a:ibm:business_automation_workflow:20.0.0.0:*:*:*:-:*:*:*
cpe:2.3:a:ibm:business_automation_workflow:21.0.0.0:*:*:*:-:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.5.0.0:*:*:*:-:*:*:*
cpe:2.3:a:ibm:business_process_manager:8.6.0.0:-:*:*:-:*:*:*

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