CVE-2009-3490
6.8CVSSMEDIUM
Description
GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:MAccess ComplexityMedium
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
http://addictivecode.org/pipermail/wget-notify/2009-August/001808.html
addictivecode.org
http://hg.addictivecode.org/wget/mainline/rev/1eab157d3be7
hg.addictivecode.org
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
kb.juniper.net
and 9 more references View all →
Timeline
Published
Sep 30, 2009
Last Updated
Apr 23, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2009-3490 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows