Is CVE-2006-5177 actively exploited?

CVE-2006-5177 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2006-5177?

CVE-2006-5177 has a CVSS score of 9.3 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C.

How do I patch CVE-2006-5177?

Patch guidance is available from mailenable security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2006-5177.

CVE-2006-5177 - remediation guidance & executive summary

Q: Which products are affected by CVE-2006-5177?

2 products: mailenable mailenable enterprise, mailenable mailenable professional.

Description

The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to (1) execute arbitrary code via unspecified vectors involving crafted base64 encoded NTLM Type 3 messages, or (2) cause a denial of service via crafted base64 encoded NTLM Type 1 messages, which trigger a buffer over-read.

CVSS Metrics

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: complete
Integrity: complete
Availability: complete
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: MAILENABLE
Published: 10/10/2006
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2006-5177

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary