What is CVE-2021-25643?

CVE-2021-25643 is a medium-severity vulnerability in Couchbase Server, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.9/10. Published 2021-05-26.

How severe is CVE-2021-25643?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Couchbase Server

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. 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.

EPSS: 0.005 (40.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Couchbase Couchbase_server
N/a — versions n/a

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25643?: CVE-2021-25643 is a medium-severity vulnerability in Couchbase Server, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.9/10. Published 2021-05-26.
How severe is CVE-2021-25643?: Medium severity. CVSS v3 base score is 4.9 out of 10.