CVE-2001-0839

iBill password management - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-0839. PoCs published by MK Ultra.

AI-analyzed exploit summary This Java-based PoC brute-forces the default authentication password for iBill's ibillpm.pl CGI script by iterating through all possible two-letter combinations appended to the MASTER_ACCOUNT. It sends POST requests to add, delete, or change user credentials.

Description

ibillpm.pl in iBill password management system generates weak passwords based on a client's MASTER_ACCOUNT, which allows remote attackers to modify account information in the .htpasswd file via brute force password guessing.

Exploits (1)

exploitdb WORKING POC VERIFIED
by MK Ultra · javaremotecgi
https://www.exploit-db.com/exploits/21129

This Java-based PoC brute-forces the default authentication password for iBill's ibillpm.pl CGI script by iterating through all possible two-letter combinations appended to the MASTER_ACCOUNT. It sends POST requests to add, delete, or change user credentials.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: iBill Password Management (ibillpm.pl)
No auth needed
Prerequisites: MASTER_ACCOUNT value from the target's signup page HTML source
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3476
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/7352
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=100404371423927&w=2

Scores

EPSS 0.0702
EPSS Percentile 93.3%

Details

Status published
Products (1)
ibill_internet_billing_company/processing_plus
Published Dec 06, 2001
Tracked Since Feb 18, 2026