CVE-2001-0778

Exp

OmniHTTPd 2.0.8 and earlier allow remote attackers to obtain source code via a GET request with the URL-encoded symbol for a space (%20).

Published: 2001-10-18 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0778 is rated High Exploit Risk (64.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.06%). 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-2001-0778

EDB-ID Source Kind Published Link
20886 exploit_db edb 2001-05-26 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0778

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 2025-03-17 3.70% 3.06% -0.64%
2 2024-12-17 1.64% 3.70% +2.06%
3 2023-03-07 — 1.64% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0778

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:P/A:N 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:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0778

Affected software / configurations for CVE-2001-0778

Vendor Product Version Raw CPE
omnicron omnihttpd <= 2.0.8 cpe:2.3:a:omnicron:omnihttpd:*:*:*:*:*:*:*:*

References for CVE-2001-0778

cvelogic Threat Intelligence