Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2013-6418

17
FAUCET Score

CVE-2013-6418 describes a man-in-the-middle vulnerability in PyWBEM versions 0.7 and earlier. The flaw arises because PyWBEM uses a separate connection for X.509 certificate validation, enabling attackers to spoof a peer using any arbitrary certificate. With a CVSS score of 5.8, this medium-severity vulnerability allows for partial confidentiality and integrity compromise with medium attack complexity, requiring network access but no authentication. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7CPE matchmatch criteria
cpe:2.3:a:pywbem_project:pywbem:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 55th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: pywbemFixed in: 0.8.1
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: pywbem
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pywbem

Vendor Advisories (3)

pipGHSA-f9q5-46qg-74x4high

PyWBEM TOCTOU vulnerability in certificate validation

May 17, 2022
microsoft2014-May/CVE-2013-6418Moderate

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.

May 2, 2014
redhatCVE-2013-6418Moderate

pywbem: TOCTOU vulnerability in certificate validation

Dec 17, 2013

References

bugzilla.redhat.com / show_bug.cgi
seclists.org / oss-sec/2013/q4/531
secunia.com / advisories/58327
sourceforge.net / p/pywbem/code/627
Vendor Advisory
sourceforge.net / p/pywbem/mailman/message/31757312
suse.com / support/update/announcement/2014/suse-su-20140580-1.html
oracle.com / technetwork/topics/security/bulletinjan2016-2867206.html
securityfocus.com / bid/64544