CVE-2023-43768

HIGHNVD 7.57.5—

7.5

An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 65.7%
KEV: Not listed

Published

March 27, 2024

Last Modified

April 23, 2025

References (8)

cve@mitrehttps://docs.couchbase.com/server/current/release-notes/relnotes.html
cve@mitrehttps://forums.couchbase.com/tags/security
cve@mitrehttps://www.couchbase.com/alerts/
cve@mitrehttps://www.couchbase.com/downloads
af854a3a-2127-422b-91ae-364da2661108https://docs.couchbase.com/server/current/release-notes/relnotes.html
af854a3a-2127-422b-91ae-364da2661108https://forums.couchbase.com/tags/security
af854a3a-2127-422b-91ae-364da2661108https://www.couchbase.com/alerts/
af854a3a-2127-422b-91ae-364da2661108https://www.couchbase.com/downloads

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-770Allocation of Resources Without Limits or Throttling

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-43768?

CVE-2023-43768 is a high vulnerability published on March 27, 2024. An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.

When was CVE-2023-43768 disclosed?

CVE-2023-43768 was first published in the National Vulnerability Database on March 27, 2024, with the most recent update on April 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43768 actively exploited?

CVE-2023-43768 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43768?

CVE-2023-43768 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-43768?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43768, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-43768

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43768?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)