CVE-2020-4794 json
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 M…
published 2020-12-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26041
- cvss
- 5.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/6359463 advisory
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.4 | 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 |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
| CNA | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:P/I:N/A:P |
Affected products
- IBM Automation Workstream Services
- IBM Business Process Manager
- IBM Business Automation Workflow
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
ibm.com
/support/pages/node/6359463
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/189445
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4794
- NVD CVE-2020-4794
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.