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CVE-2020-4446
IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass…
Medium4.3EPSS 0.90%
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
IBM Business Process Manager 8.0, 8.5, and 8.6 and IBM Business Automation Workflow 18.0 and 19.0 could allow a remote attacker to bypass security restrictions, caused by the failure to perform insufficient authorization checks. IBM X-Force ID: 181126.
Timeline
ID reserved
By ibm
- 4 months later
· 4 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.0 | Medium4.3 | CVSS:3.0/I:N/AV:N/A:N/UI:N/PR:L/S:U/C:L/AC:L/RC:C/E:U/RL:O |
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.90% · top 40% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
- Bypass Security
- CWE-863 (opens in a new tab)All about CWE-863 and its CVEs
Affected products
IBM · Business Process Manager Standard
- affected 8.5.5
- affected 8.5.7.CF201706
- affected 8.5.7.CF201703
- affected 8.5.7.CF201612
- affected 8.5.7.CF201609
- affected 8.5.7.CF201606
- affected 8.5.7
- affected 8.5.6.2
- affected 8.5.6.1
- affected 8.5.6
- affected 8.6
- affected 8.5.0.2
- affected 8.5.0.1
- affected 8.5
- affected 8.0.1.3
- affected 8.0.1.2
- affected 8.0.1.1
- affected 8.0.1
- affected 8.0
IBM · Business Automation Workflow
- affected 18.0.0.0
- affected 19.0.0.1
References (2)
- https://www.ibm.com/support/pages/node/6205805 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-bpm-cve20204446-weak-security (181126) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-4446)Record last updated .