CVE-2020-11975
Improper Input Validation in Apache Unomi
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2020-11975- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-11975- Updated
- 2026-11-02
EUVDEUVD-2022-1189 No score
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.
- Record
EUVD-2022-1189- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v6fq-q792-j46j
9.8
Improper Input Validation in Apache Unomi
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.
- Record
GHSA-v6fq-q792-j46j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
9.8
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.
- Record
CVE-2020-11975- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-v6fq-q792-j46j
9.8
Improper Input Validation in Apache Unomi
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.
- Record
GHSA-v6fq-q792-j46j- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.unomi:unomiMaven |
before 1.5.4 | 1.5.4 |
org.apache.unomi:unomiMaven |
before 1.5.4, plus listed versions 1.0.0-incubating1.1.0-incubating1.2.0-incubating1.3.0-incubating1.5.01.5.11.5.21.5.3 |
1.5.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Apache Unomi - Remote Code Execution | |
| PoC in GitHub | 1135/unomi_exploit | 2020-11-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-11975 is a critical vulnerability (CVSS 9.8) in Apache Unomi, published June 5, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 30.6%, the 98th percentile. Fixed in org.apache.unomi:unomi 1.5.4.
References
unomi.apache.org/security/cve-2020-11975.txt
lists.apache.org/thread.html/r01021bc4b25c1e98812efca0b07f0e078a6281bd52f7c3817a429d95%40%3Ccommits.unomi.apache.org%3E
lists.apache.org/thread.html/r79672c25e0ef9bb4b9148376281200a8e61c6d5ef5bb705e9a363460%40%3Ccommits.unomi.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2020-11975
lists.apache.org/thread.html/r01021bc4b25c1e98812efca0b07f0e078a6281bd52f7c3817a429d95@%3Ccommits.unomi.apache.org%3E
lists.apache.org/thread.html/r79672c25e0ef9bb4b9148376281200a8e61c6d5ef5bb705e9a363460@%3Ccommits.unomi.apache.org%3E
github.com/advisories/GHSA-v6fq-q792-j46j