MEDIUM
CVE-2021-3167
CWE-532Published: March 15, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
In Cloudera Data Engineering (CDE) 1.3.0, JWT authentication tokens are exposed to administrators in virtual cluster server logs.
Technical Analysis
CVE-2021-3167 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
cloudera1 product(s)
data engineering
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://docs.cloudera.com/data-engineering/cloud/release-notes/topics/cde-general-known-issues.html
ADVISORYhttps://docs.cloudera.com/documentation/other/security-bulletins/topics/Security-Bulletin.html
ADVISORYhttps://docs.cloudera.com/data-engineering/cloud/release-notes/topics/cde-general-known-issues.html
All References (6)
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Quick Facts
CVE IDCVE-2021-3167
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-532
CISA KEVNo
Affected1 vendor(s)
PublishedMar 15, 2021
Related CVEs (CWE-532)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-3167 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.