CVE-1999-1090
📛 CVE Title
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.
Description
No English description in the CVE record.
Description (MITRE) cveawg.mitre.org
Pulled from cveawg.mitre.org/api/cve/CVE-1999-1090 on 2026-06-28. Shown when MITRE's text differs from the cvelistV5 mirror.
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- microsoft
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- no score available from CNA, NVD, or AI yet
- CWE(s)
- —
- Reserved
- —
- Published
- 2025-10-01 23:10 UTC
- Last updated
- 2025-10-01 23:10 UTC
- Source
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-1999-1090
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 1991-09-10 04:00:00 UTC
- NVD last modified
- 2026-06-16 21:49:42 UTC
- EPSS score
- 0.0167 (probability of exploitation in next 30 days)
- EPSS percentile
- 73.94% vs all CVEs — higher = more likely to be exploited, as of 2026-06-27
NVD / KEV / EPSS data refreshed 2026-06-28 12:17 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
AI could not derive a confident score from this record (likely RESERVED / REJECTED or too sparse).
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-1999-1071 - Assigner
- mitre
- Published
- Mar 9, 2002, 5:00:00 AM
- Updated
- Aug 1, 2024, 5:02:53 PM
- EUVD-reported EPSS
- 1.6700
- Vendors
- n/a
- Products
-
n/a (n/a)
- Aliases
-
GHSA-qm92-mmrh-wpqr
ENISA 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.
Microsoft Security Response Center MSRC
Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-07-10 04:26 UTC (source: CVRF).
- MS severity
- Important
- Release
- 2002-Mar
Microsoft remediations / KB articles (2)
- CBL-Mariner Releases — Vendor Fix / Security Update (fixed build 0.17-81)
- https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade — None Available / CBL-Mariner Releases
Microsoft FAQ (1)
Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will update the CVE to reflect this.
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:ncsa:telnet:*:*:*:*:*:*:*:*
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
MITRE references (2) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
- CA-1991-15 third-party-advisory, x_refsource_CERT
- ftp-ncsa(1844) vdb-entry, x_refsource_XF
Web references (2)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
NVD-tagged references (4)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- http://www.cert.org/advisories/CA-1991-15.html cve@mitre.org PatchThird Party AdvisoryUS Government Resource
- http://www.cert.org/advisories/CA-1991-15.html af854a3a-2127-422b-91ae-364da2661108 PatchThird Party AdvisoryUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/1844 cve@mitre.org
- https://exchange.xforce.ibmcloud.com/vulnerabilities/1844 af854a3a-2127-422b-91ae-364da2661108
Remediations (10)
-
web:cyberpress.org
The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical Microsoft SharePoint Server vulnerability to its Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild and setting an aggressive remediation deadline for federal agencies and organizations running the platform.
2026-07-04 21:29 UTC -
web:cybersecuritynews.com
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued Binding Operational Directive (BOD) 26-04, titled "Prioritizing Security Updates Based on Risk," compelling all Federal Civilian Executive Branch (FCEB) agencies to remediate the most dangerous known exploited vulnerabilities within just three calendar days.
2026-07-04 21:29 UTC -
web:cybersecuritynews.com
Microsoft has released its June 2026 Patch Tuesday security updates, addressing a hefty 198 vulnerabilities across its product ecosystem. The June rollout, published on June 9, 2026, stands out not only for its volume but also for the inclusion of three zero-day vulnerabilities that were actively exploited or publicly known before a fix was available. Administrators are urged to prioritize ...
2026-07-04 21:29 UTC -
web:helpx.adobe.com
This page contains important information regarding security vulnerabilities that could affect specific versions of Adobe products. Use this information to take the prescribed corrective actions.
2026-07-04 21:29 UTC -
web:nvlpubs.nist.gov
Once a permanent fix , such as a patch , is available, the patch will need to be deployed and the mitigation removed. Schedules should be set and enforced for both patch deployment and mitigation removal.
2026-07-04 21:29 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-07-04 21:29 UTC -
web:support.microsoft.com
Highlights This update is available through two release phases: gradual rollout and normal rollout. A gradual rollout delivers an update in phases, so features reach devices over time instead of all at once, meaning availability varies by device. A normal rollout is the broad release to all eligible devices at the same time, usually when it reaches general availability (GA).
2026-07-04 21:29 UTC -
web:www.cisa.gov
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild. Organizations should use the KEV catalog as an input to their vulnerability management prioritization framework. Learn more about ...
2026-07-04 21:29 UTC -
web:www.cisa.gov
The Directive consolidates, clarifies and updates the urgency of vulnerability remediation , focuses agencies patching efforts on the highest risk, and enhances efficiency for federal civilian agencies.
2026-07-04 21:29 UTC -
web:www.qualys.com
Accelerate vulnerability remediation by 43% with practical recommendations and a strategic roadmap to bolster your security. Achieve a 90% patch rate improvement through smart automation and Qualys Patch Management.
2026-07-04 21:29 UTC
AI Forensic Analysis
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