Vulnerability Details : CVE-2011-1926

The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Published 2011-05-23 22:55:01
Updated 2025-04-11 00:51:22
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2011-1926

Threat overview for CVE-2011-1926

Top countries where our scanners detected CVE-2011-1926
Top open port discovered on systems with this issue 143
IPs affected by CVE-2011-1926 1,591
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-1926!
*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-2011-1926

EPSS FAQ
4.87%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-1926

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.1
 MEDIUM AV:N/AC:H/Au:N/C:P/I:P/A:P
4.9
6.4
 NIST

CWE ids for CVE-2011-1926

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-1926

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