CVE-2004-1602

Proftpd vulnerability

CVSS

5.0

EPSS

30.7%

EPSS pct

98th

Exploited

No known

ProFTPD 1.2.x, including 1.2.8 and 1.2.10, responds in a different amount of time when a given username exists, which allows remote attackers to identify valid usernames by timing the server response.

Affected vendor

Proftpd

Affected product

Proftpd

CVSS vector

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

Weakness type (CWE)

CWE-203

Published

2004-10-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 30.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2004-1602

Confirm whether Proftpd Proftpd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-1602.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-1602

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-1602 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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