CVE-2006-6476

FRAgent.exe in Mandiant First Response (MFR) before 1.1.1, when run in daemon mode and when the agent is bound to 0.0.0.0 (all interfaces), opens sockets in non-exclusive mode, which allows local users to hijack the socket, and capture data or cause a denial of service (loss of daemon operation).

Published: 2006-12-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-6476 is rated Low Risk (16.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.07%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-6476

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.04% 0.07% +0.03%
2 2023-03-07 1.10% 0.04% -1.06%
3 2022-02-04 — 1.10% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6476

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.4 2.0 LOW
AV:L/AC:H/Au:S/C:P/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 1.5 4.9 [email protected]

Weakness enumeration for CVE-2006-6476

OS Trackers for CVE-2006-6476

vendor priority summary link
alpine — CVE-2006-6476: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6476

NVD evaluator notes for CVE-2006-6476

Solution: Successful exploitation requires that the affected products are run in daemon mode and when the agent is bound to 0.0.0.0 (all interfaces). This vulnerability is addressed in the following product release: Mandiant, First Response, 1.1.1

Affected software / configurations for CVE-2006-6476

Vendor Product Version Raw CPE
mandiant first_response <= 1.1 cpe:2.3:a:mandiant:first_response:*:*:*:*:*:*:*:*

References for CVE-2006-6476

cvelogic Threat Intelligence