How severe is CVE-1999-1592?

CVE-1999-1592 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-1592 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1592?

CVE-1999-1592 affects Sendmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1592?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-1592 published?

CVE-1999-1592 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-1592

CVE-1999-1592 is a high-severity vulnerability in Sendmail with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sendmail
Published: 1999-12-31
Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in sendmail 5, as installed on Sun SunOS 4.1.3_U1 and 4.1.4, have unspecified attack vectors and impact. NOTE: this might overlap CVE-1999-0129.

Frequently asked questions

What is CVE-1999-1592?: Multiple unspecified vulnerabilities in sendmail 5, as installed on Sun SunOS 4.1.3_U1 and 4.1.4, have unspecified attack vectors and impact. NOTE: this might overlap CVE-1999-0129.
How severe is CVE-1999-1592?: CVE-1999-1592 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1592 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1592?: CVE-1999-1592 affects Sendmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1592?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1592 published?: CVE-1999-1592 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sendmail:sendmail:5:*:*:*:*:*:*:*

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