CVE-2013-2037

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Summary

CVECVE-2013-2037
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-01-18 21:55:03 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionhttplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Risk And Classification

Primary CVSS: v2.0 2.6 from [email protected]

AV:N/AC:H/Au:N/C:N/I:P/A:N

EPSS: 0.004920000 probability, percentile 0.657040000 (date 2026-05-03)

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
High
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:H/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 10.04 All All All
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 12.10 All All All
Operating System Canonical Ubuntu Linux 13.04 All All All
Application Httplib2 Project Httplib2 0.8 All All All
Application Httplib2 Project Httplib2 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
#706602 - python-httplib2: CVE-2013-2037 - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org Issue Tracking, Mailing List, Third Party Advisory
Bug #1175272 “requests permitted after invalid certificate is re...” : Bugs : httplib2 af854a3a-2127-422b-91ae-364da2661108 bugs.launchpad.net Exploit, Patch
USN-1948-1: httplib2 vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
oss-sec: Re: CVE Request: httplib2 ssl cert incorrect error handling af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Issue 282 - httplib2 - SSL certificate hostname mismatch is checked only once - A comprehensive HTTP client library in Python - Google Project Hosting af854a3a-2127-422b-91ae-364da2661108 code.google.com Exploit, Third Party Advisory
python-httplib2 CVE-2013-2037 SSL Certificate Validation Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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