Privilege escalation in Mendix
CVE-2021-27394
A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.19), Mendix Applications using Mendix 8 (All versions < V8.17.0), Mendix Applications using Mendix 8 (V8.12) (All versions < V8.12.5), Mendix Applications using Mendix 8 (V8.6) (All versions < V8.6.9), Mendix Applications using Mendix 9 (All versions < V9.0.5). Authenticated, non-administrative users could modify their privileges by manipulating the user role under certain circumstances, allowing them to gain administrative privileges.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% 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
- Mendix
- Siemens Mendix Applications Using 7 — versions All versions < V7.23.19
- Siemens Mendix Applications Using 8 — versions All versions < V8.17.0
- Siemens Mendix Applications Using 8 (V8.12) — versions All versions < V8.12.5
- Siemens Mendix Applications Using 8 (V8.6) — versions All versions < V8.6.9
- Siemens Mendix Applications Using 9 — versions All versions < V9.0.5
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-875726.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27394?
- CVE-2021-27394 is a high-severity vulnerability in Mendix, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2021-04-16.
- How severe is CVE-2021-27394?
- High severity. CVSS v3 base score is 8.8 out of 10.