CVE-1999-0838

Exp

Buffer overflow in Serv-U FTP 2.5 allows remote users to conduct a denial of service via the SITE command.

Published: 1999-12-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0838 is rated High Exploit Risk (69.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 6.40%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.44% 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-1999-0838

EDB-ID Source Kind Published Link
19664 exploit_db edb 1999-12-02 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0838

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 2026-02-23 3.96% 6.40% +2.44%
2 2025-03-17 1.21% 3.96% +2.74%
3 2024-02-08 1.21%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0838

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-1999-0838

Affected software / configurations for CVE-1999-0838

Vendor Product Version Raw CPE
deerfield serv-u_ftp-server 2.5a cpe:2.3:a:deerfield:serv-u_ftp-server:2.5a:*:*:*:*:*:*:*

References for CVE-1999-0838

cvelogic Threat Intelligence