How severe is CVE-2001-1500?

CVE-2001-1500 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1500 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1500?

CVE-2001-1500 primarily affects Proftpd Project Proftpd. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1500?

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-2001-1500 published?

CVE-2001-1500 was published on 2001-12-31 and last updated on 2026-06-16.

CVE-2001-1500

CVE-2001-1500 is a high-severity vulnerability in Proftpd Project Proftpd with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Proftpd Project Proftpd
Published: 2001-12-31
Last modified: 2026-06-16

Description

ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.

Frequently asked questions

What is CVE-2001-1500?: ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.
How severe is CVE-2001-1500?: CVE-2001-1500 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1500 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1500?: CVE-2001-1500 primarily affects Proftpd Project Proftpd. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1500?: 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-2001-1500 published?: CVE-2001-1500 was published on 2001-12-31 and last updated on 2026-06-16.

References

Affected products (17)

cpe:2.3:a:proftpd_project:proftpd:1.2:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2.0_rc3:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2.2_rc1:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2.2_rc2:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre1:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre2:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre3:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre4:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre5:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre6:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre7:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre8:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre9:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre10:*:*:*:*:*:*:*
cpe:2.3:a:proftpd_project:proftpd:1.2_pre11:*:*:*:*:*:*:*

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