01 Record

CVE-2013-2100

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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.57% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 75.0% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2014-09-29 22:00Z12 YR AGO

Last updated

2024-08-06 15:27Z2 YR AGO

Reserved

2013-02-19

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-310

Data version

5.1

Document digest

f2191f2d13a08ed06b0586e12ecd03402dbaf3bbc0ce3bdd82fbe4754d4d9329

05 Affected products

VendorProductVersionsPlatforms

gentooportageNot specified—

06 References

openwall.com[oss-security] 20130515 Re: CVE Request: Man in the middle on Gentoo Portage binary package installerhttp://openwall.com/lists/oss-security/2013/05/16/3mailing-listx_refsource_MLIST
security.gentoo.orgGLSA-201507-16https://security.gentoo.org/glsa/201507-16vendor-advisoryx_refsource_GENTOO
bugs.gentoo.orghttps://bugs.gentoo.org/show_bug.cgi?id=469888x_refsource_CONFIRM
openwall.com[oss-security] 20130515 CVE Request: Man in the middle on Gentoo Portage binary package installerhttp://openwall.com/lists/oss-security/2013/05/15/5mailing-listx_refsource_MLIST
www.securityfocus.com59878http://www.securityfocus.com/bid/59878vdb-entryx_refsource_BID
exchange.xforce.ibmcloud.comportage-cve20132100-sec-bypass(84315)https://exchange.xforce.ibmcloud.com/vulnerabilities/84315vdb-entryx_refsource_XF