CVE-2020-11975Unomi Vulnerability
Improper Input Validation in Apache Unomi
Published Feb 9, 2022 · Updated Oct 20, 2026 · Also known as GHSA-v6fq-q792-j46j
Key Facts
Patch immediately- CVE-2020-11975 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Unomi (Apache), org.apache.unomi:unomi (maven).
- It is exploited in the wild, listed in Industry KEV feed since Apr 12, 2021. No public exploit code is known.
- EPSS estimates a 31% probability of exploitation in the next 30 days.
- Fixed versions are available, including Unomi 1.5.1, org.apache.unomi:unomi 1.5.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
31%
Higher than 98.2% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
53/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Apr 12, 2021
-303 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
Description
Apache Unomi allows conditions to use OGNL scripting which offers the possibility to call static Java classes from the JDK that could execute code with the permission level of the running Java process.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Apr 12, 2021 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| UnomiApache | >= Apache Unomi 1.0.0 to 1.5.0 | 1.5.1 |
| org.apache.unomi:unomimaven | See advisory | 1.5.4 |
Patched Releases
Unomi
1.5.1
org.apache.unomi:unomi
1.5.4
Timeline
Added to Industry KEV feed
Apr 12, 2021
Publicly disclosed
Feb 9, 2022
Last updated
Oct 20, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- advisorynvd.nist.gov · CVE-2020-11975
- advisoryGHSA advisory
- patchunomi.apache.org · CVE-2020-11975
- exploitVulnCheck exploitation report
- articlelists.apache.org · r01021bc4b25c1e98812efca0b07f0e078a6281bd52f7c3…
FAQ
Common Questions.
Apache Unomi allows conditions to use OGNL scripting which offers the possibility to call static Java classes from the JDK that could execute code with the permission level of the running Java process.
Affected: Unomi (Apache) versions >= Apache Unomi 1.0.0 to 1.5.0; org.apache.unomi:unomi (maven). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Apr 12, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Unomi 1.5.1, org.apache.unomi:unomi 1.5.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2020-11975 On Your Attack Surface?
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