How severe is CVE-2008-1277?

CVE-2008-1277 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2008-1277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1277?

CVE-2008-1277 primarily affects Mailenable Mailenable Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1277?

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-2008-1277 published?

CVE-2008-1277 was published on 2008-03-10 and last updated on 2026-06-16.

CVE-2008-1277

CVE-2008-1277 is a critical-severity vulnerability in Mailenable Mailenable Enterprise with a CVSS 2.0 base score of 9.0. 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-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mailenable Mailenable Enterprise
Published: 2008-03-10
Last modified: 2026-06-16

Description

The IMAP service (MEIMAPS.exe) in MailEnable Professional Edition and Enterprise Edition 3.13 and earlier allows remote attackers to cause a denial of service (crash) via (1) SEARCH and (2) APPEND commands without required arguments, which triggers a NULL pointer dereference.

Frequently asked questions

What is CVE-2008-1277?: The IMAP service (MEIMAPS.exe) in MailEnable Professional Edition and Enterprise Edition 3.13 and earlier allows remote attackers to cause a denial of service (crash) via (1) SEARCH and (2) APPEND commands without required arguments, which triggers a NULL pointer dereference.
How severe is CVE-2008-1277?: CVE-2008-1277 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2008-1277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1277?: CVE-2008-1277 primarily affects Mailenable Mailenable Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1277?: 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-2008-1277 published?: CVE-2008-1277 was published on 2008-03-10 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:mailenable:mailenable_enterprise:*:*:*:*:*:*:*:*
cpe:2.3:a:mailenable:mailenable_professional:*:*:*:*:*:*:*:*

More vulnerabilities in Mailenable Mailenable Enterprise

CVE-2006-6997 — Critical (CVSS 10.0): Unspecified vulnerability in a cryptographic feature in MailEnable Standard Edition before 1.93, Professional Edition…
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…

All CVEs affecting Mailenable Mailenable Enterprise →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →