Dovecot 2.0.x before 2.0.16, when ssl or starttls is enabled and hostname is used to define the proxy destination, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate for a different hostname.
Published 2013-03-07 01:55:02
Updated 2013-03-07 05:00:00
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2011-4318

Top countries where our scanners detected CVE-2011-4318
Top open port discovered on systems with this issue 993
IPs affected by CVE-2011-4318 761
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-4318!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-4318

0.28%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4318

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
NIST

CWE ids for CVE-2011-4318

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4318

Products affected by CVE-2011-4318

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