CVE-1999-1301: A design flaw in the Z-Modem protocol allows the remote sender of a file to execute arbitrary programs on the client, as

Published n/a Updated 2026-08-21T04:30:36.888Z

Summary

A design flaw in the Z-Modem protocol allows the remote sender of a file to execute arbitrary programs on the client, as implemented in rz in the rzsz module of FreeBSD before 2.1.5, and possibly other programs.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:36.888Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References