kibana: Prototype pollution in the Upgrade Assistant could result in arbitrary code execution (ESA-2020-05)
Published Jun 3, 2020
8.8
HIGHCVSS 3.1
EPSS 18.21%
Description
Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to execute arbitrary code. This could possibly lead to an attacker executing code with the permissions of the Kibana process on the host system.
Affected products
-
- Version 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2StatusaffectedConstraints-
- Version
No data.
Red Hat OpenShift Container Platform 3.11
kibana
Not affected
Red Hat OpenShift Container Platform 4
kibana
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | kibana | Not affected | n/a |
| Red Hat OpenShift Container Platform 4 | kibana | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The vulnerable functionality was introduced in Kibana 6.7, we ship Kibana 5.6 and it has not been back ported. Additionally, it is a component of the X-Pack, paid additions for Kibana.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 18.21% (0.18211) | 97.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 18.21% (0.18211) | 96.84th | v5 (v2026.06.15) |
| Oct 8, 2025 | 73.44% (0.73437) | 98.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 45.80% (0.45801) | 97.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 63.29% (0.63286) | 97.73th | v4 (v2025.03.14) |
| Mar 25, 2025 | 45.80% (0.45801) | 97.35th | v4 (v2025.03.14) |
| Mar 24, 2025 | 15.32% (0.15319) | 94.04th | v4 (v2025.03.14) |
| Mar 19, 2025 | 3.21% (0.03209) | 85.56th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.32% (0.15319) | 94.12th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.09% (0.00092) | 39.70th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.09% (0.00092) | 39.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00092) | 37.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.09% (0.01086) | 53.47th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.09% (0.01086) | 51.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.36% (0.15362) | 92.49th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.20% (0.03197) | 66.46th | v1 |
| Jan 6, 2022 | 3.20% (0.03197) | 66.14th | v1 |
| Sep 1, 2021 | 0.73% (0.00731) | 49.19th | v1 |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2020-7012 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1849046 Issue Tracking
- https://discuss.elastic.co/t/elastic-stack-6-8-9-and-7-7-0-security-update/235571
- https://nvd.nist.gov/vuln/detail/CVE-2020-7012
- https://www.cve.org/CVERecord?id=CVE-2020-7012
- https://www.elastic.co/community/security/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-7012 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1849046 | Issue Tracking | |
| https://discuss.elastic.co/t/elastic-stack-6-8-9-and-7-7-0-security-update/235571 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2020-7012 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-7012 | ||
| https://www.elastic.co/community/security/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.