Vulnerability in Couchbase Server
CVE-2021-37842
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Couchbase Server — versions 7.0.0, 7.0.1
Weakness classification (CWE)
References
- docs.couchbase.com/server/current/release-notes/relnotes.html (Release Notes, Vendor Advisory)
- www.couchbase.com/alerts (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-37842?
- CVE-2021-37842 is a high-severity vulnerability in Couchbase Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.5/10. Published 2021-11-02.
- How severe is CVE-2021-37842?
- High severity. CVSS v3 base score is 7.5 out of 10.