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CVE-2013-6444

16
FAUCET Score

CVE-2013-6444 describes a vulnerability in PyWBEM versions 0.7 and earlier, where the software fails to properly validate server hostnames against X.509 certificate fields. This oversight allows man-in-the-middle attackers to spoof SSL servers using any valid certificate, impacting the confidentiality and integrity of communications. With a CVSS score of 5.8 (Medium), exploitation requires moderate attack complexity but could lead to information disclosure and data tampering. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

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
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 13th percentile among its peer group of 19,954 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 (2)

pipGHSA-gh2c-6m38-c78jmedium

PyWBEM TOCTOU vulnerability in certificate validation

May 17, 2022
redhatCVE-2013-6444Moderate

pywbem: failure to check certificate hostname

Dec 17, 2013

References

bugzilla.redhat.com / show_bug.cgi
seclists.org / oss-sec/2013/q4/524
sourceforge.net / p/pywbem/code/627
Vendor Advisory
sourceforge.net / p/pywbem/mailman/message/31757312
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/64544