HOMEVULNERABILITIESCVE-2015-4166
CRITICAL

CVE-2015-4166

CWE-320Published: March 23, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Cloudera Key Trustee Server before 5.4.3 does not store keys synchronously, which might allow attackers to have unspecified impact via vectors related to loss of an encryption key.

NVD Source

Technical Analysis

CVE-2015-4166 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

cloudera1 product(s)
key trustee server
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_jpc_mwm_js
ADVISORYhttps://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_jpc_mwm_js

All References (2)

→
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_jpc_mwm_jsMitigation · Vendor Advisory
→
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#concept_jpc_mwm_jsMitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2015-4166
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-320
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2017

Related CVEs (CWE-320)

CVE-2018-0124
9.8
CVE-2016-10421
9.8
CVE-2015-0936
9.8
CVE-2016-10467
9.8
CVE-2019-5672
9.1
CVE-2015-8542
8.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-4166 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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