CVE-1999-1090
The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-1999-1090- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-1999-1090- Updated
- 2026-11-02
EUVDEUVD-1999-1071 No score
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.
- Record
EUVD-1999-1071- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qm92-mmrh-wpqr No score
The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it...
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.
- Record
GHSA-qm92-mmrh-wpqr- Updated
- 2026-11-02
OSVAZL-53404 No score
CVE-1999-1090 affecting package telnet 0.17-81
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.
- Record
AZL-53404- Updated
- 2026-11-02
OSVAZL-7381 No score
CVE-1999-1090 affecting package telnet 0.17-81
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.
- Record
AZL-7381- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1090 is a high vulnerability (CVSS 7.5) in Ncsa Telnet, published September 10, 1991. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.66%, the 76th percentile. No source names a fixed version.