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CVE-2012-6093

17
FAUCET Score

CVE-2012-6093 describes a vulnerability in the QSslSocket::sslErrors function within Qt versions prior to 4.6.5, 4.7.6, and 4.8.5, specifically when used with certain OpenSSL versions. This flaw, due to an incompatible structure layout, can lead to incorrect certificate validation error reporting, potentially causing users to accept insecure certificates. Rated with a CVSS score of 4.3 (Medium), this vulnerability has a network attack vector and medium attack complexity, with a potential impact of information disclosure (C:P). The primary risk is users making unsafe security decisions based on misleading error messages. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.6.5CPE matchmatch criteria
cpe:2.3:a:qt:qt:*:rc:*:*:*:*:*:*
4.6.0CPE matchmatch criteria
cpe:2.3:a:qt:qt:4.6.0:*:*:*:*:*:*:*
4.6.0CPE matchmatch criteria
cpe:2.3:a:qt:qt:4.6.0:rc1:*:*:*:*:*:*
4.6.1CPE matchmatch criteria
cpe:2.3:a:qt:qt:4.6.1:*:*:*:*:*:*:*
4.6.2CPE matchmatch criteria
cpe:2.3:a:qt:qt:4.6.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 55th percentile among its peer group of 19,955 CVEs.

Social Chatter

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

Vendor Advisories (1)

redhatCVE-2012-6093Low

qt: QSslSocket might report inappropriate errors when certificate verification fails

Jan 2, 2013

References

bugs.debian.org / cgi-bin/bugreport.cgi
lists.opensuse.org / opensuse-updates/2013-01/msg00086.html
lists.opensuse.org / opensuse-updates/2013-01/msg00089.html
lists.opensuse.org / opensuse-updates/2013-02/msg00014.html
lists.qt-project.org / pipermail/announce/2013-January/000020.html
Vendor Advisory
qt.gitorious.org / qt/qt/commit/3b14dc93cf0ef06f1424d7d6319a1af4505faa53%20%284.7%29
qt.gitorious.org / qt/qt/commit/691e78e5061d4cbc0de212d23b06c5dffddf2098%20%284.8%29
bugzilla.redhat.com / show_bug.cgi
codereview.qt-project.org
secunia.com / advisories/52217
Vendor Advisory
openwall.com / lists/oss-security/2013/01/04/6
ubuntu.com / usn/USN-1723-1