CVE-1999-1090

N/A Unknown

Published: September 10, 1991 Modified: April 16, 2026

Description

The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an "ftp=yes" line, which allows remote attackers to read and modify arbitrary files.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.cert.org/advisories/CA-1991-15.html

Source: cve@mitre.org

Patch Third Party Advisory US Government Resource

https://exchange.xforce.ibmcloud.com/vulnerabilities/1844

Source: cve@mitre.org

http://www.cert.org/advisories/CA-1991-15.html

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Third Party Advisory US Government Resource

https://exchange.xforce.ibmcloud.com/vulnerabilities/1844

Source: af854a3a-2127-422b-91ae-364da2661108

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

0.6%

69th percentile

Exploitation Status

Not in CISA KEV

Affected Vendors

ncsa