How severe is CVE-2005-4471?

CVE-2005-4471 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-4471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4471?

CVE-2005-4471 primarily affects Avaya Modular Messaging Message Storage 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-2005-4471?

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

When was CVE-2005-4471 published?

CVE-2005-4471 was published on 2005-12-22 and last updated on 2026-06-16.

CVE-2005-4471

CVE-2005-4471 is a medium-severity vulnerability in Avaya Modular Messaging Message Storage Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Avaya Modular Messaging Message Storage Server
Published: 2005-12-22
Last modified: 2026-06-16

Description

POP3 service in Avaya Modular Messaging Message Storage Server (MSS) 2.0 SP 4 and earlier allows remote attackers to cause a denial of service (infinite loop) via crafted packets.

Frequently asked questions

What is CVE-2005-4471?: POP3 service in Avaya Modular Messaging Message Storage Server (MSS) 2.0 SP 4 and earlier allows remote attackers to cause a denial of service (infinite loop) via crafted packets.
How severe is CVE-2005-4471?: CVE-2005-4471 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-4471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4471?: CVE-2005-4471 primarily affects Avaya Modular Messaging Message Storage 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-2005-4471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4471 published?: CVE-2005-4471 was published on 2005-12-22 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:avaya:modular_messaging_message_storage_server:*:*:*:*:*:*:*:*
cpe:2.3:o:avaya:modular_messaging_message_storage_server:1.1:*:*:*:*:*:*:*
cpe:2.3:o:avaya:modular_messaging_message_storage_server:2.0:*:*:*:*:*:*:*

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