Home/CVE/Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encodi
CVE

CVE-2001-0333

Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encodi

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

HIGH · CVSS 7.5 EPSS 0.84554
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
microsoft internet information server<= 5.0
microsoft internet information serverall versions
⚠

Public Exploits & PoCs

9
remoteMicrosoft IIS/PWS - CGI Filename Double Decode Command Execution (MS01-026) (Metasploit)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (2)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (1)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (3)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (4)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (5)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (6)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (7)verified
remoteMicrosoft IIS 3.0/4.0/5.0 - PWS Escaped Characters Decoding Command Execution (8)verified
◈

Detection Rules (IDS/IPS)

1
snort-communitySERVER-IIS httpodbc.dll access - nimdaweb-application-activity
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD27 Jun 2001 · 04:00 AM
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=bugtraq&m=98992056521300&w=2
http://www.cert.org/advisories/CA-2001-12.htmlUS Government Resource
http://www.securityfocus.com/bid/2708
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
https://exchange.xforce.ibmcloud.com/vulnerabilities/6534
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1018
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin