CVE-1999-1090 json
The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an "ftp=yes" line, which…
published 1991-09-10 35 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1071
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- cert.org/advisories/CA-1991-15.html advisory
Exploit prediction
1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
cert.org
/advisories/CA-1991-15.html
third-party-advisory, patch, us-government-resource
-
exchange.xforce.ibmcloud.com
/vulnerabilities/1844
vdb-entry
Sources
- CVE List CVE-1999-1090
- NVD CVE-1999-1090
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