Auth bypass in IBM Automation Workstream Services
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 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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- IBM Automation Workstream Services — versions 19.0.3, 20.0.1, 20.0.2
- IBM Automation Workstream Services — versions 19.0.3, 20.0.1, 20.0.2
- IBM Business Automation Workflow — versions 19.0, 20.0, 18.0
- IBM Business Automation Workflow — versions 18.0.0.0, 18.0.0.1, 18.0.0.2
- IBM Business Process Manager — versions 8.6
- IBM Business Process Manager — versions 8.0.0.0, 8.0.1.0, 8.0.1.1
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/6359463 (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/189445 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-4794?
- CVE-2020-4794 is a medium-severity vulnerability in IBM Automation Workstream Services, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2020-12-21.
- How severe is CVE-2020-4794?
- Medium severity. CVSS v3 base score is 5.4 out of 10.