How severe is CVE-2007-3927?

CVE-2007-3927 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-3927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3927?

CVE-2007-3927 primarily affects Ipswitch Imail Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3927?

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-2007-3927 published?

CVE-2007-3927 was published on 2007-07-21 and last updated on 2026-06-16.

CVE-2007-3927

CVE-2007-3927 is a critical-severity vulnerability in Ipswitch Imail Server with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipswitch Imail Server
Published: 2007-07-21
Last modified: 2026-06-16

Description

Multiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified vectors in Imailsec and (2) allow attackers to have an unknown impact via an unspecified vector related to "subscribe."

Frequently asked questions

What is CVE-2007-3927?: Multiple buffer overflows in Ipswitch IMail Server 2006 before 2006.21 (1) allow remote attackers to execute arbitrary code via unspecified vectors in Imailsec and (2) allow attackers to have an unknown impact via an unspecified vector related to "subscribe."
How severe is CVE-2007-3927?: CVE-2007-3927 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-3927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3927?: CVE-2007-3927 primarily affects Ipswitch Imail Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3927?: 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-2007-3927 published?: CVE-2007-3927 was published on 2007-07-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ipswitch:imail_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ipswitch:ipswitch_collaboration_suite:*:*:*:*:*:*:*:*

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