CVE-2020-4794
IBM Automation Workstream Services 19.0.3, 20.0.1, 20.0.2, IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process…
- Published
- Updated
- Reserved
- Assigned by
- ibm
Description
IBM Automation Workstream Services 19.0.3, 20.0.1, 20.0.2, IBM Business Automation Workflow 18.0, 19.0, and 20.0 and IBM Business Process Manager 8.6 could allow an authenticated user to obtain sensitive information or cuase a denial of service due to iimproper authorization checking. IBM X-Force ID: 189445.
Timeline
ID reserved
By ibm
- 12 months later
· 12 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 | Medium5.4 | CVSS:3.0/A:L/I:N/C:L/AC:L/PR:L/S:U/AV:N/UI:N/RC:C/E:U/RL:O |
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.85% · top 42% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
- Denial of Service
- CWE-863 (opens in a new tab)All about CWE-863 and its CVEs
Affected products
IBM · Automation Workstream Services
- affected 19.0.3
- affected 20.0.1
- affected 20.0.2
IBM · Business Process Manager
- affected 8.6
IBM · Business Automation Workflow
- affected 19.0
- affected 20.0
- affected 18.0
References (2)
- https://www.ibm.com/support/pages/node/6359463 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ibm-icp4a-cve20204794-input-validation (189445) (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-2020-4794)Record last updated .