Cyber Resilience

CVE-2025-52490

High

Published: 29 July 2025

Published
29 July 2025
Modified
06 August 2025
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0031 54.8th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-52490 is a high-severity Cleartext Transmission of Sensitive Information (CWE-319) vulnerability in Couchbase Sync Gateway. Its CVSS base score is 7.3 (High).

Operationally, ranked in the top 45.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in Couchbase Sync Gateway before 3.2.6. In sgcollect_info_options.log and sync_gateway.log, there are cleartext passwords in redacted and unredacted output.

CWE(s)

Related Threats

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

Affected Assets

couchbase
sync gateway
≤ 3.2.6

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-319

Role-based training covers secure transmission methods, mitigating cleartext transmission of sensitive data.

addresses: CWE-319

By requiring documented security controls for information exchanges, the control reduces the risk of cleartext transmission of sensitive data.

addresses: CWE-319

Mapping transmission actions in data flows helps prevent cleartext transmission of sensitive information.

addresses: CWE-319

Settings can enforce secure transmission protocols to prevent cleartext transmission of sensitive data.

addresses: CWE-319

Policy addresses secure transport and handling of media to avoid cleartext transmission of sensitive information.

addresses: CWE-319

Enforces safeguards against cleartext transmission of CUI when data leaves organizational boundaries to external systems.

addresses: CWE-319

Explicit controls and continuous oversight on external system services prevent cleartext transmission of sensitive information over provider-managed channels.

addresses: CWE-319

Key-establishment procedures specify secure distribution channels that preclude cleartext transmission of key material.

References