CVE-2013-2100
Gentoo Portage does not verify X.509 certificates from SSL servers
CVE-2013-2100 is a high vulnerability (CVSS 9.3) in Gentoo Portage, published September 29, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. Fixed in portage 2.1.12.2.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-2100- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-2100- Updated
- 2026-11-02
EUVDEUVD-2014-0085 No score
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.
- Record
EUVD-2014-0085- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8823-xphr-qw9v No score
Gentoo Portage does not verify X.509 certificates from SSL servers
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.
- Record
GHSA-8823-xphr-qw9v- Updated
- 2026-11-02
OSVGHSA-8823-xphr-qw9v No score
Gentoo Portage does not verify X.509 certificates from SSL servers
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.
- Record
GHSA-8823-xphr-qw9v- Updated
- 2026-11-02
OSVPYSEC-2014-115 No score
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.
- Record
PYSEC-2014-115- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
portagePyPI |
before 2.1.12.2 | 2.1.12.2 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | affected | |
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |