TI-1999-01039 Aliases CVE-1999-1090 GHSA-qm92-mmrh-wpqr

The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even…

LOW 36Published 2002-03-09 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

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.

Why it matters now

EPSS 0.01661 76th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ncsa:telnet::::::::	all versions	Vulnerable	Ncsa

cpe:2.3:a:ncsa:telnet:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Ncsa

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-1999-1090
2026-10-03 Alias added: GHSA-qm92-mmrh-wpqr

References

Patch 1

CA-1991-15

TI-2005-00425 Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based… CVSS 2.0HIGH 7.5
TI-2005-00426 Buffer overflow in the slc_add_reply function in various BSD-based Telnet clients, when… CVSS 2.0HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences