CVE-1999-1049

High CVSS 10

Published 1999-02-21 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1049, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

ARCserve NT agents use weak encryption (XOR) for passwords, which allows remote attackers to sniff the authentication request to port 6050 and decrypt the password.

Sources

NVD record for CVE-1999-1049

CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C