High severity · published Nov 2, 2021
CVE-2021-42763
Couchbase Server before 6.6.3 and 7.x before 7.0.2 stores Sensitive Information in Cleartext
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Couchbase Server before 6.6.3 and 7.x before 7.0.2 stores Sensitive Information in Cleartext. The issue occurs when the cluster manager forwards a HTTP request from the pluggable UI (query workbench etc) to the specific service. In the backtrace, the Basic Auth Header included in the HTTP request, has the "@" user credentials of the node processing the UI request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Couchbase Server · Couchbase
before 4.6.0; 5.0.0 before 6.1.0; 6.5.0 through 6.6.2; 7.0.0; 7.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42763
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42763
Release Notes
https://docs.couchbase.com/server/current/release-notes/relnotes.html
Vendor Advisory
https://www.couchbase.com/alerts
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