Vulnerability Monitor

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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.

Security Impact Summary

CVE-2001-1500 is a security vulnerability that . Impacting 1 product from proftpd_project organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2001, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2001-12-31T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	proftpd_project	proftpd	1.2	Yes
Application	proftpd_project	proftpd	1.2.0_rc3	Yes
Application	proftpd_project	proftpd	1.2.1	Yes
Application	proftpd_project	proftpd	1.2.2	Yes
Application	proftpd_project	proftpd	1.2.2_rc1	Yes
Application	proftpd_project	proftpd	1.2.2_rc2	Yes
Application	proftpd_project	proftpd	1.2_pre1	Yes
Application	proftpd_project	proftpd	1.2_pre2	Yes
Application	proftpd_project	proftpd	1.2_pre3	Yes
Application	proftpd_project	proftpd	1.2_pre4	Yes
Application	proftpd_project	proftpd	1.2_pre5	Yes
Application	proftpd_project	proftpd	1.2_pre6	Yes
Application	proftpd_project	proftpd	1.2_pre7	Yes
Application	proftpd_project	proftpd	1.2_pre8	Yes
Application	proftpd_project	proftpd	1.2_pre9	Yes
Application	proftpd_project	proftpd	1.2_pre10	Yes
Application	proftpd_project	proftpd	1.2_pre11	Yes

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000450 ([email protected])
http://www.mandriva.com/security/advisories?name=MDKSA-2002:005 ([email protected])
http://www.securityfocus.com/archive/1/212805 ([email protected])
http://www.securityfocus.com/bid/3310 Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/7126 ([email protected])
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000450 (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDKSA-2002:005 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/212805 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/3310 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/7126 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For proftpd_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.