What’s Vulnerable › Vulnerabilities

CVE-1999-1301

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1996-07-16 · updated 2026-06-16

Description

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.

Affected products

• FreeBSD: through 2.1.5

References

• http://ciac.llnl.gov/ciac/bulletins/g-31.shtml
• http://www.iss.net/security_center/static/7540.php
• http://ciac.llnl.gov/ciac/bulletins/g-31.shtml
• http://www.iss.net/security_center/static/7540.php

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