In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.
CVE-2018-11765
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(low)
- EPSS
- 91.5%
- KEV
- Not listed
Published
September 30, 2020
Last Modified
November 21, 2024
References (24)
- security@apachehttps://lists.apache.org/thread.html/r17d94d132b207dad221595fd8b8b18628f5f5ec7e3f5be939ecd8928%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/r2c7f899911a04164ed1707083fcd4135f8427e04778c87d83509b0da%40%3Cgeneral.hadoop.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/r46447f38ea8c89421614e9efd7de5e656186d35e10fc97cf88477a01%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/r4dddf1705dbedfa94392913b2dad1cd2d1d89040facd389eea0b3510%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/r74825601e93582167eb7cdc2f764c74c9c6d8006fa90018562fda60f%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/r79b15c5b66c6df175d01d7560adf0cd5c369129b9a161905e0339927%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/rb21df54a4e39732ce653d2aa5672e36a792b59eb6717f2a06bb8d02a%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/rb241464d83baa3749b08cd3dabc8dba70a9a9027edcef3b5d4c24ef4%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/rbe25cac0f499374f8ae17a4a44a8404927b56de28d4c41940d82b7a4%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/reea5eb8622afbfbfca46bc758f79db83d90a3263a906c4d1acba4971%40%3Ccommits.druid.apache.org%3E
- security@apachehttps://lists.apache.org/thread.html/rf9dfa8b77585c9227db9637552eebb2ab029255a0db4eb76c2b6c4cf%40%3Cdev.druid.apache.org%3E
- security@apachehttps://security.netapp.com/advisory/ntap-20201016-0005/
- af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r17d94d132b207dad221595fd8b8b18628f5f5ec7e3f5be939ecd8928%40%3Ccommits.druid.apache.org%3E
- af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r2c7f899911a04164ed1707083fcd4135f8427e04778c87d83509b0da%40%3Cgeneral.hadoop.apache.org%3E
- af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r46447f38ea8c89421614e9efd7de5e656186d35e10fc97cf88477a01%40%3Ccommits.druid.apache.org%3E
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.apache.hadoop:hadoop-main | 2.8.0 ... 2.8.5 (6 versions) | 2.8.6 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-07 15:46 UTCOSV refresh
- 2026-06-07 15:22 UTCEPSS rescore
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- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-23 07:11 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2018-11765?
When was CVE-2018-11765 disclosed?
Is CVE-2018-11765 actively exploited?
What is the CVSS score of CVE-2018-11765?
How do I remediate CVE-2018-11765?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-11765
Is Your Infrastructure Affected by CVE-2018-11765?
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