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CVE-2023-45875

24
FAUCET Score

CVE-2023-45875 is a private key leak vulnerability affecting Couchbase Server 7.2.0. Specifically, when adding a pre-7.0 node to a 7.2 cluster, the private key is inadvertently written to the debug.log file. This vulnerability has a CVSS score of 7.5 (High), indicating that it can be exploited remotely with low complexity, leading to a high impact on confidentiality. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.2.0CPE matchmatch criteria
cpe:2.3:a:couchbase:couchbase_server:7.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 26th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.couchbase.com / server/current/release-notes/relnotes.html
Release Notes
forums.couchbase.com / tags/security
Vendor Advisory
couchbase.com / alerts
Vendor Advisory