hadoop: Privilege escalation to root (Incomplete fix for CVE-2016-6811)
Published Nov 27, 2018
8.8
HIGHCVSS 3.0
EPSS 3.24%
Description
In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.
Affected products
-
- Version Apache Hadoop 2.7.4 to 2.7.6StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Hadoop | n/a |
|
No data.
Red Hat Fuse 7
camel
Not affected
Red Hat JBoss Fuse 6
camel
Not affected
Red Hat Storage 3
rhs-hadoop
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Fuse 7 | camel | Not affected | n/a |
| Red Hat JBoss Fuse 6 | camel | Not affected | n/a |
| Red Hat Storage 3 | rhs-hadoop | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:C/I:C/A:C
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 2, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.24% (0.03244) | 87.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.24% (0.03244) | 86.64th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.79% (0.00786) | 71.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.16% (0.02164) | 73.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.78% (0.00778) | 71.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00078) | 35.36th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.08% (0.00078) | 33.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00078) | 31.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.85% (0.01855) | 47.92th | v1 |
| Jan 6, 2022 | 1.85% (0.01855) | 47.40th | v1 |
| Sep 1, 2021 | 1.85% (0.01855) | 75.73th | v1 |
| Apr 14, 2021 | 1.85% (0.01855) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/106035 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-11766 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1654239 Issue Tracking
- https://github.com/advisories/GHSA-rqj9-cq6j-958r Advisory
- https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c%40%3Cgeneral.hadoop.apache.org%3E x_refsource_MISC
- https://lists.apache.org/thread.html/ff37bbbe09d5f03090e2dd2c3dea95de16ef4249e731f19b8959ce4c@%3Cgeneral.hadoop.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2018-11766
- https://www.cve.org/CVERecord?id=CVE-2018-11766
Change history (0)
No recorded changes yet.