How severe is CVE-1999-1557?

CVE-1999-1557 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1557 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-1999-1557?

CVE-1999-1557 affects Ipswitch Imail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1557?

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

When was CVE-1999-1557 published?

CVE-1999-1557 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-1999-1557

CVE-1999-1557 is a medium-severity vulnerability in Ipswitch Imail 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: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipswitch Imail
Published: 2005-05-02
Last modified: 2026-06-16

Description

Buffer overflow in the login functions in IMAP server (imapd) in Ipswitch IMail 5.0 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via (1) a long user name or (2) a long password.

Frequently asked questions

What is CVE-1999-1557?: Buffer overflow in the login functions in IMAP server (imapd) in Ipswitch IMail 5.0 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via (1) a long user name or (2) a long password.
How severe is CVE-1999-1557?: CVE-1999-1557 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1557 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-1999-1557?: CVE-1999-1557 affects Ipswitch Imail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1557 published?: CVE-1999-1557 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ipswitch:imail:*:*:*:*:*:*:*:*

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