CVE-2003-0317

Exp

iisPROTECT 2.1 and 2.2 allows remote attackers to bypass authentication via an HTTP request containing URL-encoded characters.

Published: 2003-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0317 is rated High Exploit Risk (79.8/100): CVSS High severity, with high exploitation likelihood (EPSS 5.99%, 92th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.49% over the last day, indicating growing attacker interest. 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-2003-0317

EDB-ID Source Kind Published Link
22631 exploit_db edb 2003-05-22 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0317

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 3.50% 5.99% +2.49%
2 2025-03-17 4.27% 3.50% -0.78%
3 2023-11-01 — 4.27% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0317

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0317

Affected software / configurations for CVE-2003-0317

Vendor Product Version Raw CPE
iisprotect iisprotect 2.1 cpe:2.3:a:iisprotect:iisprotect:2.1:*:*:*:*:*:*:*
iisprotect iisprotect 2.2 cpe:2.3:a:iisprotect:iisprotect:2.2:*:*:*:*:*:*:*

References for CVE-2003-0317

cvelogic Threat Intelligence