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Fencer Vulns
high 7.5

CVE-1999-0777 in the critical feed json

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

published 1999-09-23 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0758

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.0%
EPSS 12.0% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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

Exploit prediction

11.99% chance of exploitation in the next 30 days, higher than 96% 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

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.