CVE-1999-1090

critical

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.

References

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

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

Details

Source: Mitre, NVD

Published: 1991-09-10

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00693

Detections

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