PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which…
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
PyWBEM 0.7 and earlier uses a separate connection to validate X.509 certificates, which allows man-in-the-middle attackers to spoof a peer via an arbitrary certificate.
Why it matters now
EPSS 0.01654 76th percentileScored 2026-11-07
Fix Partial pywbem (PyPI): 0.8.1Red Hat: 2 without a fix
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 |
| — | pywbem (PyPI) | before 0.8.1 | 0.8.1 | Patch available | GHSA-f9q5-46qg-74x4 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pywbem (PyPI) Vendor— Affected before 0.8.1 Fixed in 0.8.1 Patch available GHSA-f9q5-46qg-74x4
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pywbem_project:pywbem:*:*:*:*:*:*:*:* | up to 0.7 | Vulnerable | Pywbem Project |
- cpe:2.3:a:pywbem_project:pywbem:*:*:*:*:*:*:*:* Versions up to 0.7 Vulnerable ·Pywbem Project
Remediation
- Fix · GHSA-f9q5-46qg-74x4 pywbem (PyPI) Fixed in 0.8.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2013-6418
- 2026-10-03 Alias added: GHSA-f9q5-46qg-74x4
References
Advisory 3
Other 11
- [oss-security] 20131220 Re: CVE already assigned for 1026891?
- [pywbem-devel] 20131216 TOCTOU issue (time of check, time of use)
- http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1039801
- https://github.com/pywbem/pywbem/commit/f7599379b26a685d772b2620a16316130f46c474
- https://github.com/pypa/advisory-database/tree/main/vulns/pywbem/PYSEC-2014-93.yaml
- https://github.com/pywbem/pywbem
- https://web.archive.org/web/20161110005052/http://secunia.com/advisories/58327
- https://web.archive.org/web/20200228040356/http://www.securityfocus.com/bid/64544
- http://sourceforge.net/p/pywbem/code/627
- http://sourceforge.net/p/pywbem/mailman/message/31757312
More Pywbem Project Pywbem vulnerabilities
- TI-2013-05397 PyWBEM 0.7 and earlier does not verify that the server hostname matches a domain name in… CVSS 2.0MEDIUM 5.8
Sources
- CVE-2013-6418 · CVE Program
- CVE-2013-6418 · NVD
- FIRST EPSS
- GHSA-f9q5-46qg-74x4 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-6418 · Red Hat security data · CC BY 4.0
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