How severe is CVE-1999-0231?

CVE-1999-0231 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0231?

CVE-1999-0231 affects Seattle Lab Software Slmail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0231?

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

When was CVE-1999-0231 published?

CVE-1999-0231 was published on 1999-01-01 and last updated on 2026-06-16.

CVE-1999-0231

CVE-1999-0231 is a medium-severity vulnerability in Seattle Lab Software Slmail 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Seattle Lab Software Slmail
Published: 1999-01-01
Last modified: 2026-06-16

Description

Buffer overflow in IP-Switch IMail and Seattle Labs Slmail 2.6 packages using a long VRFY command, causing a denial of service and possibly remote access.

Frequently asked questions

What is CVE-1999-0231?: Buffer overflow in IP-Switch IMail and Seattle Labs Slmail 2.6 packages using a long VRFY command, causing a denial of service and possibly remote access.
How severe is CVE-1999-0231?: CVE-1999-0231 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0231?: CVE-1999-0231 affects Seattle Lab Software Slmail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0231 published?: CVE-1999-0231 was published on 1999-01-01 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0231

Affected products (1)

cpe:2.3:a:seattle_lab_software:slmail:2.6:*:*:*:*:*:*:*

More vulnerabilities in Seattle Lab Software Slmail

CVE-2003-0264 — High (CVSS 7.5): Multiple buffer overflows in SLMail 5.1.0.4420 allows remote attackers to execute arbitrary code via (1) a long EHLO…
CVE-1999-0102 — High (CVSS 7.5): Buffer overflow in SLmail 3.x allows attackers to execute commands using a large FROM line.
CVE-1999-0380 — Medium (CVSS 4.6): SLMail 3.1 and 3.2 allows local users to access any file in the NTFS file system when the Remote Administration Service…

All CVEs affecting Seattle Lab Software Slmail →