CVE-2021-42763
Last modified
CVE-2021-42763 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Couchbase | Couchbase Server | < 4.6.0 |
| Couchbase | Couchbase Server | >= 5.0.0, < 6.1.0 |
| Couchbase | Couchbase Server | >= 6.5.0, <= 6.6.2 |
| Couchbase | Couchbase Server | 7.0.0 |
| Couchbase | Couchbase Server | 7.0.1 |
References
- https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
- https://www.couchbase.com/alertsVendor Advisory
- https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
- https://www.couchbase.com/alertsVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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