All vulnerabilities

Servers and applications

CVE-2002-0147

Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka "Microsoft-discovered variant of Chunked Encoding buffer overrun."

Severity
High 7.5
Published
22 Apr 2002
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
68% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft IISServers and applications · cpe:a:microsoft:internet_information_services
  • Version 5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2002-0147
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2002-0147