Security readout for executives and security teams
Plain-English summary
CVE-2023-25016 is a high-severity Couchbase Server information exposure issue. An unauthorized network actor may be able to access sensitive information from affected versions. The main business risk is confidentiality loss, not service outage or data tampering, based on the supplied CVSS vector.
Executive priority
Treat this as a near-term confidentiality risk for any organization running affected Couchbase Server. Prioritize remediation for externally reachable or shared-network deployments first, then complete fleet-wide version validation.
Technical view
Couchbase Server before 6.6.6, 7.x before 7.0.5, and 7.1.x before 7.1.2 is affected. The CVSS vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, mapped to CWE-319, indicating cleartext transmission of sensitive information.
Likely exposure
Exposure is most likely where affected Couchbase Server versions are reachable from untrusted networks. The supplied record lists no specific CPEs or deployment modes, so teams should verify versions and network reachability directly.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates remote, unauthenticated, low-complexity access with high confidentiality impact, which justifies prompt remediation.
Researcher notes
Evidence is limited to the CVE record metadata and Couchbase reference URLs. The affected product text names Couchbase Server versions, but the structured affected list is empty, so avoid over-scoping beyond the stated versions.
Mitigation direction
- Upgrade Couchbase Server to 6.6.6, 7.0.5, 7.1.2, or later applicable releases.
- Check Couchbase alerts and release notes for exact vendor guidance.
- Restrict Couchbase Server access to trusted networks while remediation is underway.
- Review TLS and sensitive-data transmission settings against vendor guidance.
Validation and detection
- Inventory all Couchbase Server instances and record exact versions.
- Confirm no instance is below 6.6.6, 7.0.5, or 7.1.2 as applicable.
- Validate Couchbase exposure from internal, partner, and internet-facing network paths.
- Review logs for unusual unauthenticated access attempts where available.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-319: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-25016 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://forums.couchbase.com/tags/securityCVE reference
- https://docs.couchbase.com/server/current/release-notes/relnotes.htmlCVE reference
- https://www.couchbase.com/alerts/CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Cleartext Transmission of Sensitive Information
Cleartext Transmission of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.