CVE-2023-3251

MEDIUMNVD 4.14.1—

4.1

A pass-back vulnerability exists where an authenticated, remote attacker with administrator privileges could uncover stored SMTP credentials within the Nessus application.This issue affects Nessus: before 10.6.0.

CVSS v3: 4.1
EG Score: 4.1(medium)
EPSS: 41.5%
KEV: Not listed

Published

August 29, 2023

Last Modified

November 21, 2024

References (2)

vulnreport@tenablehttps://www.tenable.com/security/tns-2023-29
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2023-29

Weakness Classification(1)

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

CWE-522Insufficiently Protected Credentials

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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2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2023-3251?

CVE-2023-3251 is a medium vulnerability published on August 29, 2023. A pass-back vulnerability exists where an authenticated, remote attacker with administrator privileges could uncover stored SMTP credentials within the Nessus application.This issue affects Nessus: before 10.6.0.

When was CVE-2023-3251 disclosed?

CVE-2023-3251 was first published in the National Vulnerability Database on August 29, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3251 actively exploited?

CVE-2023-3251 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3251?

CVE-2023-3251 has a CVSS v3 base score of 4.1 (NVD).

How do I remediate CVE-2023-3251?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3251, 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-2023-3251

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-3251?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)