Home/CVE/IIS 4.0 and 5.0 allows remote attackers to obtain fragments of source code by appending a +.htr to the URL, a variant of
CVE

CVE-2000-0630

IIS 4.0 and 5.0 allows remote attackers to obtain fragments of source code by appending a +.htr to the URL, a variant of

IIS 4.0 and 5.0 allows remote attackers to obtain fragments of source code by appending a +.htr to the URL, a variant of the "File Fragment Reading via .HTR" vulnerability.

MEDIUM · CVSS 5 EPSS 0.75963
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
Sigma rules0 YARA rules0
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Affected Products & Versions

2
microsoft internet information serverall versions
microsoft internet information servicesall versions
⚠

Public Exploits & PoCs

1
remoteMicrosoft IIS 4.0/5.0 - Source Fragment Disclosureverified
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Detection Rules (IDS/IPS)

4
et-openGPL EXPLOIT .htr accessweb-application-activity
snort-communityFILE-IDENTIFY .htr access file download requestmisc-activity
snort-communitySERVER-IIS ism.dll accessweb-application-attack
snort-communitySERVER-IIS +.htr code fragment attemptweb-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

5
MEDIUM · 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:N/A:N
Published to NVD17 Jul 2000 · 04:00 AM
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/1488
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-044
https://exchange.xforce.ibmcloud.com/vulnerabilities/5104
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