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Vulnerability record · CVE-1999-0777 · published 23 September 1999

CVE-1999-0777: Microsoft commercial internet system permissions and access controls vulnerability

Microsoft · Commercial Internet System

IIS FTP servers may allow a remote attacker to read or delete files on the server, even if they have "No Access" permissions.

7.5 CVSS 2.0 High EPSS 12% · top 4.0% CWE-264 · Permissions and access controls
7.5CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

IIS FTP servers may allow a remote attacker to read or delete files on the server, even if they have "No Access" permissions.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ241407
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ242559
http://www.securityfocus.com/bid/658
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-039
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ241407
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ242559
http://www.securityfocus.com/bid/658
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-039

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-0777), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.