How severe is CVE-2001-0070?

CVE-2001-0070 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2001-0070 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0070?

CVE-2001-0070 affects Upland Solutions 1st Up Mail Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0070?

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-2001-0070 published?

CVE-2001-0070 was published on 2001-02-12 and last updated on 2026-06-16.

CVE-2001-0070

CVE-2001-0070 is a critical-severity vulnerability in Upland Solutions 1st Up Mail Server 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Upland Solutions 1st Up Mail Server
Published: 2001-02-12
Last modified: 2026-06-16

Description

Buffer overflow in 1st Up Mail Server 4.1 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long MAIL FROM command.

Frequently asked questions

What is CVE-2001-0070?: Buffer overflow in 1st Up Mail Server 4.1 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long MAIL FROM command.
How severe is CVE-2001-0070?: CVE-2001-0070 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0070 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0070?: CVE-2001-0070 affects Upland Solutions 1st Up Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0070?: 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-2001-0070 published?: CVE-2001-0070 was published on 2001-02-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:upland_solutions:1st_up_mail_server:4.1:*:*:*:*:*:*:*