CVE-2006-5177
The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-5177- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-5177- Updated
- 2026-11-02
EUVDEUVD-2006-5162 No score
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.
- Record
EUVD-2006-5162- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jm4q-3jxm-v3w8 No score
The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers...
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.
- Record
GHSA-jm4q-3jxm-v3w8- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | MailEnable 2.x - SMTP NTLM Multiple Authentication Vulnerabilities | 2006-11-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-5177 is a high vulnerability (CVSS 9.3) in Mailenable Enterprise, published October 6, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.26%, the 94th percentile. No source names a fixed version.
References
exchange.xforce.ibmcloud.com/vulnerabilities/29287
secunia.com/advisories/22179
mailenable.com/hotfix
securityfocus.com/bid/20290
vupen.com/english/advisories/2006/3862
labs.musecurity.com/advisories/MU-200609-01.txt
nvd.nist.gov/vuln/detail/CVE-2006-5177
github.com/advisories/GHSA-jm4q-3jxm-v3w8