How severe is CVE-2006-6997?

CVE-2006-6997 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-6997 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6997?

CVE-2006-6997 primarily affects Mailenable Mailenable Enterprise. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6997?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-6997 published?

CVE-2006-6997 was published on 2007-02-12 and last updated on 2026-06-16.

CVE-2006-6997

CVE-2006-6997 is a critical-severity vulnerability in Mailenable Mailenable Enterprise with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mailenable Mailenable Enterprise
Published: 2007-02-12
Last modified: 2026-06-16

Description

Unspecified vulnerability in a cryptographic feature in MailEnable Standard Edition before 1.93, Professional Edition before 1.73, and Enterprise Edition before 1.21 leads to "weakened authentication security" with unknown impact and attack vectors. NOTE: due to lack of details, it is not clear whether this is the same as CVE-2006-1792.

Frequently asked questions

What is CVE-2006-6997?: Unspecified vulnerability in a cryptographic feature in MailEnable Standard Edition before 1.93, Professional Edition before 1.73, and Enterprise Edition before 1.21 leads to "weakened authentication security" with unknown impact and attack vectors. NOTE: due to lack of details, it is not clear whether this is the same as CVE-2006-1792.
How severe is CVE-2006-6997?: CVE-2006-6997 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-6997 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6997?: CVE-2006-6997 primarily affects Mailenable Mailenable Enterprise. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6997?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-6997 published?: CVE-2006-6997 was published on 2007-02-12 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:mailenable:mailenable_enterprise:1.0:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.00:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.1:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.01:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.02:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.2:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.03:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_enterprise:1.04:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.71:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.72:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.701:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.702:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.703:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_standard:1.704:*:*:*:*:*:*:*

More vulnerabilities in Mailenable Mailenable Enterprise

CVE-2006-6605 — Critical (CVSS 10.0): Stack-based buffer overflow in the POP service in MailEnable Standard 1.98 and earlier; Professional 1.84, and 2.35 and…
CVE-2006-6423 — Critical (CVSS 10.0): Stack-based buffer overflow in the IMAP service for MailEnable Professional and Enterprise Edition 2.0 through 2.35,…
CVE-2006-1792 — Critical (CVSS 10.0): Unspecified vulnerability in the POP service in MailEnable Standard Edition before 1.94, Professional Edition before…
CVE-2006-5177 — Critical (CVSS 9.3): The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to (1) execute…
CVE-2006-5176 — Critical (CVSS 9.3): Buffer overflow in NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to…
CVE-2008-1276 — Critical (CVSS 9.0): Multiple buffer overflows in the IMAP service (MEIMAPS.EXE) in MailEnable Professional Edition and Enterprise Edition…

All CVEs affecting Mailenable Mailenable Enterprise →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →