How severe is CVE-1999-0759?

CVE-1999-0759 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-0759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0759?

CVE-1999-0759 affects Fuseware Fusemail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0759?

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-1999-0759 published?

CVE-1999-0759 was published on 1999-09-13 and last updated on 2026-06-16.

CVE-1999-0759

CVE-1999-0759 is a critical-severity vulnerability in Fuseware Fusemail with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fuseware Fusemail
Published: 1999-09-13
Last modified: 2026-06-16

Description

Buffer overflow in FuseMAIL POP service via long USER and PASS commands.

Frequently asked questions

What is CVE-1999-0759?: Buffer overflow in FuseMAIL POP service via long USER and PASS commands.
How severe is CVE-1999-0759?: CVE-1999-0759 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0759?: CVE-1999-0759 affects Fuseware Fusemail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0759?: 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-1999-0759 published?: CVE-1999-0759 was published on 1999-09-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:fuseware:fusemail:2.7:*:*:*:*:*:*:*