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CVE-2006-5176

25
FAUCET Score

CVE-2006-5176 describes a critical buffer overflow vulnerability in MailEnable Professional and Enterprise 2.0. This flaw allows remote attackers to execute arbitrary code by manipulating the signature field within NTLM Type 1 authentication messages. With a CVSS score of 9.3, it represents a high-severity risk, enabling complete compromise of confidentiality, integrity, and availability with medium attack complexity and no authentication required. While no active exploitation, public exploits, or significant community discussion are noted, its high FAUCET Risk Score of 89/100 indicates a substantial inherent risk.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:mailenable:mailenable_enterprise:2.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:mailenable:mailenable_professional:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.34%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0534 is in the 61st percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

labs.musecurity.com / advisories/MU-200609-01.txt
Patch
secunia.com / advisories/22179
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/29284
mailenable.com / hotfix
Patch
securityfocus.com / bid/20290
Patch
vupen.com / english/advisories/2006/3862