CVE-1999-0911

Exp

Buffer overflow in ProFTPD, wu-ftpd, and beroftpd allows remote attackers to gain root access via a series of MKD and CWD commands that create nested directories.

Published: 1999-08-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0911 is rated High Exploit Risk (94.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 38.05%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +16.77% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-0911

EDB-ID Source Kind Published Link
19476 exploit_db edb 1999-08-27 Exploit-DB ↗
19475 exploit_db edb 1999-08-17 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0911

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 21.29% 38.05% +16.77%
2 2025-03-30 28.95% 21.29% -7.66%
3 2025-03-29 28.95%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0911

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-1999-0911

Affected software / configurations for CVE-1999-0911

Vendor Product Version Raw CPE
proftpd_project proftpd 1.2_pre1 cpe:2.3:a:proftpd_project:proftpd:1.2_pre1:*:*:*:*:*:*:*
proftpd_project proftpd 1.2_pre2 cpe:2.3:a:proftpd_project:proftpd:1.2_pre2:*:*:*:*:*:*:*
proftpd_project proftpd 1.2_pre3 cpe:2.3:a:proftpd_project:proftpd:1.2_pre3:*:*:*:*:*:*:*
proftpd_project proftpd 1.2_pre4 cpe:2.3:a:proftpd_project:proftpd:1.2_pre4:*:*:*:*:*:*:*
proftpd_project proftpd 1.2_pre5 cpe:2.3:a:proftpd_project:proftpd:1.2_pre5:*:*:*:*:*:*:*

References for CVE-1999-0911

cvelogic Threat Intelligence