CVE-2000-0625

NetZero < 3.0 - Weak Encryption of User Login Information

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0625.

AI-analyzed exploit summary This exploit decrypts weakly encrypted NetZero credentials stored in 'jnetz.prop' by reversing a substitution cipher. It reads the encrypted password and user ID, then applies a predefined decryption table to recover the plaintext password.

Description

NetZero 3.0 and earlier uses weak encryption for storing a user's login information, which allows a local user to decrypt the password.

Exploits (1)

exploitdb WORKING POC
clocalwindows
https://www.exploit-db.com/exploits/20081

This exploit decrypts weakly encrypted NetZero credentials stored in 'jnetz.prop' by reversing a substitution cipher. It reads the encrypted password and user ID, then applies a predefined decryption table to recover the plaintext password.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: NetZero ZeroPort (version not specified)
No auth needed
Prerequisites: Access to the 'jnetz.prop' file on the target system
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2
Core References
Patch, Vendor Advisory vendor-advisory x_refsource_l0pht
http://www.l0pht.com/advisories/netzero.txt
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1483

Scores

EPSS 0.0020
EPSS Percentile 42.7%

Details

Status published
Products (1)
netzero/zeroport < 3.0
Published Jul 18, 2000
Tracked Since Feb 18, 2026