How severe is CVE-2005-2923?

CVE-2005-2923 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2005-2923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2923?

CVE-2005-2923 primarily affects Ipswitch Imail Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-2923 published?

CVE-2005-2923 was published on 2005-12-07 and last updated on 2026-06-16.

CVE-2005-2923

CVE-2005-2923 is a medium-severity vulnerability in Ipswitch Imail Server with a CVSS 2.0 base score of 4.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ipswitch Imail Server
Published: 2005-12-07
Last modified: 2026-06-16

Description

The IMAP server in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to cause a denial of service (crash) via a long argument to the LIST command, which causes IMail Server to reference invalid memory.

Frequently asked questions

What is CVE-2005-2923?: The IMAP server in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to cause a denial of service (crash) via a long argument to the LIST command, which causes IMail Server to reference invalid memory.
How severe is CVE-2005-2923?: CVE-2005-2923 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2005-2923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2923?: CVE-2005-2923 primarily affects Ipswitch Imail Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2923 published?: CVE-2005-2923 was published on 2005-12-07 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:ipswitch:imail_server:8.20:*:*:*:*:*:*:*
cpe:2.3:a:ipswitch:ipswitch_collaboration_suite:2.0:*:*:*:*:*:*:*
cpe:2.3:a:ipswitch:ipswitch_collaboration_suite:2.01:*:*:*:*:*:*:*

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