CVE-2020-13942
Injection and Improper Input Validation in Apache Unomi
9.8
CRITICAL
CVSS 3.1
EPSS 94.3%
Description
It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem.
How to fix CVE-2020-13942
To remediate CVE-2020-13942, upgrade the affected package to a fixed version below.
- —upgrade to 1.5.2 or later
Is CVE-2020-13942 being exploited?
Likely — EPSS is 94.3%, placing CVE-2020-13942 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 1.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (10)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-13942
- WEBadvisory.checkmarx.net/advisory/CX-2020-4284
- WEBlists.apache.org/thread.html/r08a4057ff7196b8880117edaa4b6207cbd36ed692d8dd1f5a56b4d0f@%3Cannounce.apache.org%3E
- WEBlists.apache.org/thread.html/r4a8fa91836687eaca42b5420a778ca8c8fd3a3740e4cf4401acc9118@%3Cdev.unomi.apache.org%3E