CVE-1999-0838

Serv-U FTP 2.5 - Denial of Service via SITE Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0838. PoCs published by Ussr Labs.

AI-analyzed exploit summary The exploit describes a DoS vulnerability in Serv-U FTP server where an overly long argument to the SITE PASS command causes a crash. Authentication (including anonymous) is required to trigger the issue.

Description

Buffer overflow in Serv-U FTP 2.5 allows remote users to conduct a denial of service via the SITE command.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ussr Labs · textdoswindows
https://www.exploit-db.com/exploits/19664

The exploit describes a DoS vulnerability in Serv-U FTP server where an overly long argument to the SITE PASS command causes a crash. Authentication (including anonymous) is required to trigger the issue.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Serv-U FTP server (version not specified)
Auth required
Prerequisites: Authenticated access to the FTP server (including anonymous)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/859

Scores

EPSS 0.0246
EPSS Percentile 82.3%

Details

Status published
Products (1)
deerfield/serv-u_ftp-server 2.5a
Published Dec 01, 1999
Tracked Since Feb 18, 2026