Published: 12/09/2001 Updated: 19/12/2017

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

VMScore: 520

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

Apache on Red Hat Linux with with the UserDir directive enabled generates different error codes when a username exists and there is no public_html directory and when the username does not exist, which could allow remote malicious users to determine valid usernames on the server.

Vulnerable Product	Search on Vulmon	Subscribe to Product
redhat linux 7.0

source: wwwsecurityfocuscom/bid/3335/info Versions of Apache webserver shipping with Red Hat Linux 70 (and possibly other Apache distributions) install with a default misconfiguration which could allow remote users to determine whether a give username exists on the vulnerable system wwwexamplecom/~<username> When a remo ...

Attempts to enumerate valid usernames on web servers running with the mod_userdir module or similar enabled.

nmap -sV --script=http-userdir-enum <target>

80/tcp open  http    syn-ack Apache httpd 2.2.9
|_ http-userdir-enum: Potential Users: root (403), user (200), test (200)

NVD-CWE-Other http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0083.html http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0094.html http://www.securityfocus.com/archive/1/213667 http://www.securityfocus.com/bid/3335 http://archives.neohapsis.com/archives/vuln-dev/2000-q3/0087.html https://exchange.xforce.ibmcloud.com/vulnerabilities/7129 https://nvd.nist.gov https://www.exploit-db.com/exploits/21112/https://nmap.org/nsedoc/scripts/http-userdir-enum.html

Get Started

Vulmon Search is a vulnerability search engine. It gives comprehensive vulnerability information through a very simple user interface.

Home Recent Vulnerabilities Research Posts Trends Blog About Contact

Vulmon Search Vulmon Research Vulmon Alerts Vulmap

Twitter Reddit Linkedin Facebook

CVE-2001-1013

Vulnerability Summary

Vulnerability Trend

Exploits

Nmap Scripts

References

Vulmon Search

About

Products

Connect