Medium severity · published May 26, 2021
CVE-2021-25643
An issue was discovered in Couchbase Server 5.x and 6.x before 6.5.2 and 6.6.x before 6.6.2
4.9
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in Couchbase Server 5.x and 6.x before 6.5.2 and 6.6.x before 6.6.2. Internal users with administrator privileges, @cbq-engine-cbauth and @index-cbauth, leak credentials in cleartext in the indexer.log file when they make a /listCreateTokens, /listRebalanceTokens, or /listMetadataTokens call.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Couchbase Server · Couchbase
5.0.0 before 6.5.2; 6.6.0 before 6.6.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25643
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25643
Vendor Advisory
https://www.couchbase.com/resources/security#SecurityAlerts
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