CVE-1999-0235

Exp

Buffer overflow in NCSA WebServer (1.4.1 and below) gives remote access.

Published: 1995-02-17 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0235 is rated High Exploit Risk (84.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.30%). 2 public exploit reference(s) are indexed (Exploit-DB). 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-1999-0235

EDB-ID Source Kind Published Link
21049 exploit_db edb 1997-04-23 Exploit-DB ↗
21050 exploit_db edb 1995-02-17 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0235

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 2025-07-19 4.06% 3.30% -0.76%
2 2025-03-30 10.29% 4.06% -6.23%
3 2025-03-29 — 10.29% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0235

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-1999-0235

OS Trackers for CVE-1999-0235

vendor priority summary link
alpine — CVE-1999-0235: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0235

Affected software / configurations for CVE-1999-0235

Vendor Product Version Raw CPE
ncsa ncsa_web_server 1.3 cpe:2.3:a:ncsa:ncsa_web_server:1.3:*:*:*:*:*:*:*
ncsa ncsa_web_server 1.4 cpe:2.3:a:ncsa:ncsa_web_server:1.4:*:*:*:*:*:*:*
ncsa ncsa_web_server 1.4.1 cpe:2.3:a:ncsa:ncsa_web_server:1.4.1:*:*:*:*:*:*:*

References for CVE-1999-0235

cvelogic Threat Intelligence