CVE-2001-0333

Exp

Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.

Published: 2001-06-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0333 is rated High Exploit Risk (79.9/100): CVSS High severity, with high exploitation likelihood (EPSS 84.55%, 99th percentile). Core evidence: 9 public exploit reference(s) are indexed (Exploit-DB). 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-2001-0333

EDB-ID Source Kind Published Link
16467 exploit_db edb 2011-01-08 Exploit-DB ↗
20836 exploit_db edb 2001-05-16 Exploit-DB ↗
20842 exploit_db edb 2001-05-15 Exploit-DB ↗
20841 exploit_db edb 2001-05-15 Exploit-DB ↗
20840 exploit_db edb 2001-05-15 Exploit-DB ↗
20839 exploit_db edb 2001-05-15 Exploit-DB ↗
20838 exploit_db edb 2001-05-15 Exploit-DB ↗
20837 exploit_db edb 2001-05-15 Exploit-DB ↗
20835 exploit_db edb 2001-05-15 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0333

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 2026-04-29 84.47% 84.55% +0.08%
2 2026-03-04 88.68% 84.47% -4.21%
3 2026-03-01 88.68%

Full EPSS history (35 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0333

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-2001-0333

Affected software / configurations for CVE-2001-0333

Vendor Product Version Raw CPE
microsoft internet_information_server <= 5.0 cpe:2.3:a:microsoft:internet_information_server:*:*:*:*:*:*:*:*
microsoft internet_information_server 4.0 cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*

References for CVE-2001-0333

cvelogic Threat Intelligence