What is CVE-2023-3251?

CVE-2023-3251 is a medium-severity vulnerability in Tenable Nessus, classified under Insufficiently Protected Credentials. CVSS score: 4.1/10. Published 2023-08-29.

How severe is CVE-2023-3251?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Is CVE-2023-3251 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Tenable Nessus

CVE-2023-3251

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.

EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N.

Affected products

Tenable Nessus — versions 0

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

Public proof-of-concept exploits

zhanpengliu-tencent/medium-cve

References

vulnreport@tenable.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-3251?: CVE-2023-3251 is a medium-severity vulnerability in Tenable Nessus, classified under Insufficiently Protected Credentials. CVSS score: 4.1/10. Published 2023-08-29.
How severe is CVE-2023-3251?: Medium severity. CVSS v3 base score is 4.1 out of 10.
Is CVE-2023-3251 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.