How severe is CVE-1999-1551?

CVE-1999-1551 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1551?

CVE-1999-1551 primarily affects Ipswitch Imail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1551?

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

When was CVE-1999-1551 published?

CVE-1999-1551 was published on 1999-03-02 and last updated on 2026-06-16.

CVE-1999-1551

CVE-1999-1551 is a medium-severity vulnerability in Ipswitch Imail with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ipswitch Imail
Published: 1999-03-02
Last modified: 2026-06-16

Description

Buffer overflow in Ipswitch IMail Service 5.0 allows an attacker to cause a denial of service (crash) and possibly execute arbitrary commands via a long URL.

Frequently asked questions

What is CVE-1999-1551?: Buffer overflow in Ipswitch IMail Service 5.0 allows an attacker to cause a denial of service (crash) and possibly execute arbitrary commands via a long URL.
How severe is CVE-1999-1551?: CVE-1999-1551 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1551?: CVE-1999-1551 primarily affects Ipswitch Imail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1551 published?: CVE-1999-1551 was published on 1999-03-02 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ipswitch:imail:5.0:*:*:*:*:*:*:*
cpe:2.3:a:ipswitch:imail:6.0:*:*:*:*:*:*:*

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