High severity · published Nov 2, 2021
CVE-2021-37842
metakv in Couchbase Server 7.0.0 uses Cleartext for Storage of Sensitive Information
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
metakv in Couchbase Server 7.0.0 uses Cleartext for Storage of Sensitive Information. Remote Cluster XDCR credentials can get leaked in debug logs. Config key tombstone purging was added in Couchbase Server 7.0.0. This issue happens when a config key, which is being logged, has a tombstone purger time-stamp attached to it.
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
7.0.0; 7.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37842
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37842
Release Notes
https://docs.couchbase.com/server/current/release-notes/relnotes.html
Vendor Advisory
https://www.couchbase.com/alerts
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