How severe is CVE-2013-2037?

CVE-2013-2037 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2013-2037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2037?

CVE-2013-2037 primarily affects Httplib2 Project Httplib2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2037?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-2037 published?

CVE-2013-2037 was published on 2014-01-18 and last updated on 2026-06-16.

CVE-2013-2037

CVE-2013-2037 is a low-severity vulnerability in Httplib2 Project Httplib2 with a CVSS 2.0 base score of 2.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Httplib2 Project Httplib2
Published: 2014-01-18
Last modified: 2026-06-16

Description

httplib2 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.

Frequently asked questions

What is CVE-2013-2037?: httplib2 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.
How severe is CVE-2013-2037?: CVE-2013-2037 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2013-2037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2037?: CVE-2013-2037 primarily affects Httplib2 Project Httplib2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2037 published?: CVE-2013-2037 was published on 2014-01-18 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
cpe:2.3:a:httplib2_project:httplib2:*:*:*:*:*:*:*:*
cpe:2.3:a:httplib2_project:httplib2:0.8:*:*:*:*:*:*:*

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