CVE-2013-2100
9.3CVSSCRITICAL
Description
The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using HTTPS, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and modify binary package lists via a crafted certificate.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:MAccess ComplexityMedium
Au:NAuthenticationNone
Impact
C:CConfidentialityComplete
I:CIntegrityComplete
A:CAvailabilityComplete
Weaknesses
Affected Products
Exploitability
1 exploit source identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
References
http://openwall.com/lists/oss-security/2013/05/15/5
openwall.com
http://openwall.com/lists/oss-security/2013/05/16/3
openwall.com
http://www.securityfocus.com/bid/59878
securityfocus.com
and 6 more references View all →
Timeline
Published
Sep 29, 2014
Last Updated
May 6, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2013-2100 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