How severe is CVE-1999-1500?

CVE-1999-1500 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1500?

CVE-1999-1500 affects True North Internet Anywhere Mail Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1500?

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

When was CVE-1999-1500 published?

CVE-1999-1500 was published on 1999-10-01 and last updated on 2026-06-16.

CVE-1999-1500

CVE-1999-1500 is a medium-severity vulnerability in True North Internet Anywhere Mail Server 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% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: True North Internet Anywhere Mail Server
Published: 1999-10-01
Last modified: 2026-06-16

Description

Internet Anywhere POP3 Mail Server 2.3.1 allows remote attackers to cause a denial of service (crash) via (1) LIST, (2) TOP, or (3) UIDL commands using letters as arguments.

Frequently asked questions

What is CVE-1999-1500?: Internet Anywhere POP3 Mail Server 2.3.1 allows remote attackers to cause a denial of service (crash) via (1) LIST, (2) TOP, or (3) UIDL commands using letters as arguments.
How severe is CVE-1999-1500?: CVE-1999-1500 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1500?: CVE-1999-1500 affects True North Internet Anywhere Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1500?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1500 published?: CVE-1999-1500 was published on 1999-10-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:true_north:internet_anywhere_mail_server:2.3:*:*:*:*:*:*:*

More vulnerabilities in True North Internet Anywhere Mail Server

CVE-2000-0140 — Medium (CVSS 5.0): Internet Anywhere POP3 Mail Server allows remote attackers to cause a denial of service via a large number of…
CVE-2000-0016 — Medium (CVSS 5.0): Buffer overflow in Internet Anywhere POP3 Mail Server allows remote attackers to cause a denial of service or execute…
CVE-1999-1236 — Medium (CVSS 4.6): Internet Anywhere Mail Server 2.3.1 stores passwords in plaintext in the msgboxes.dbf file, which could allow local…
CVE-2000-0139 — Low (CVSS 2.1): Internet Anywhere POP3 Mail Server allows local users to cause a denial of service via a malformed RETR command.

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