httplib2 0.7.2, 0.8, and earlier, after an initial connection is made, does not verify…
Priority LOW 16CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
EPSS 0.01324 71st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed httplib2 (PyPI): 0.10.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | httplib2 (PyPI) | before 0.10.1 | 0.10.1 | Patch available | GHSA-q48q-77qv-cf9p |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- httplib2 (PyPI) Vendor— Affected before 0.10.1 Fixed in 0.10.1 Patch available GHSA-q48q-77qv-cf9p
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* | 10.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* | 13.04 | Vulnerable | Canonical |
| cpe:2.3:a:httplib2_project:httplib2:*:*:*:*:*:*:*:* | up to 0.7.2 | Vulnerable | httplib2 |
| cpe:2.3:a:httplib2_project:httplib2:0.8:*:*:*:*:*:*:* | 0.8 | Vulnerable | httplib2 |
- cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:* Versions 10.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* Versions 13.04 Vulnerable ·Canonical
- cpe:2.3:a:httplib2_project:httplib2:*:*:*:*:*:*:*:* Versions up to 0.7.2 Vulnerable ·httplib2
- cpe:2.3:a:httplib2_project:httplib2:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·httplib2
Remediation
- Fix · GHSA-q48q-77qv-cf9p httplib2 (PyPI) Fixed in 0.10.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2037
- 2026-10-03 Alias added: GHSA-q48q-77qv-cf9p
References
Exploit 2
Advisory 4
Other 5
- https://github.com/httplib2/httplib2/issues/5
- https://github.com/httplib2/httplib2/commit/40cbdcc8586f2292fa0e76a3e8c012f0cc9ed919
- https://github.com/httplib2/httplib2
- https://github.com/pypa/advisory-database/tree/main/vulns/httplib2/PYSEC-2014-81.yaml
- https://web.archive.org/web/20200228052625/http://www.securityfocus.com/bid/52179
Sources
- CVE-2013-2037 · CVE Program
- CVE-2013-2037 · NVD
- FIRST EPSS
- GHSA-q48q-77qv-cf9p · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2037 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences