Cyber Resilience

CVE-2021-42763

High

Published: 02 November 2021

Published
02 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0020 42.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42763 is a high-severity Cleartext Storage of Sensitive Information (CWE-312) vulnerability in Couchbase Couchbase Server. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 42.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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Auth Header included in the HTTP request, has the "@" user credentials of the node processing the UI request.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

couchbase
couchbase server
7.0.0, 7.0.1 · ≤ 4.6.0 · 5.0.0 — 6.1.0 · 6.5.0 — 6.6.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-312

Training on secure data handling discourages cleartext storage of sensitive information.

addresses: CWE-312

Data action mapping can detect storage actions that leave sensitive information in cleartext.

addresses: CWE-312

Configuration policies can mandate secure storage methods to avoid cleartext storage of sensitive information.

addresses: CWE-312

Policy requires protection measures such as encryption for sensitive data stored on media, preventing cleartext exposure.

addresses: CWE-312

Key-management policy requires protected storage of key material, preventing cleartext storage of sensitive cryptographic keys.

addresses: CWE-312

Requiring confidentiality protection for information at rest eliminates cleartext storage of sensitive data on persistent media.

addresses: CWE-312

Reduces cleartext storage of sensitive data when OPSEC identifies and mandates protection of key information artifacts.

References