CVE-2020-9039
CRITICAL NUCLEICouchbase Server 4.0.0-4.6.5, 5.0.0, 5.1.1, 5.5.0-5.5.1 - Unauthenticated Insecure Permissions
Title source: llmExploitation Summary
CVE-2020-9039 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
Description
Couchbase Server 4.0.0, 4.1.0, 4.1.1, 4.5.0, 4.5.1, 4.6.0 through 4.6.5, 5.0.0, 5.1.1, 5.5.0 and 5.5.1 have Insecure Permissions for the projector and indexer REST endpoints (they allow unauthenticated access).The /settings REST endpoint exposed by the projector process is an endpoint that administrators can use for various tasks such as updating configuration and collecting performance profiles. The endpoint was unauthenticated and has been updated to only allow authenticated users to access these administrative APIs.
Nuclei Templates (1)
Couchbase Server - Broken Access Control
CRITICALby pussycat0x
Shodan:
html:"Couchbase"
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.couchbase.com/resources/security#SecurityAlerts
Scores
CVSS v3
9.8
EPSS
0.0387
EPSS Percentile
88.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-276
Status
published
Products (10)
couchbase/couchbase_server
4.0.0
couchbase/couchbase_server
4.1.0
couchbase/couchbase_server
4.1.1
couchbase/couchbase_server
4.5.0
couchbase/couchbase_server
4.5.1
couchbase/couchbase_server
5.0.0
couchbase/couchbase_server
5.1.1
couchbase/couchbase_server
5.5.0
couchbase/couchbase_server
5.5.1
couchbase/couchbase_server
4.6.0 - 4.6.5
Published
Feb 22, 2020
Tracked Since
Feb 18, 2026