Vulnerability Report

CVE-2011-1506

RCE

Title: Kerio Kerio Mailserver RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2011-1506.

CWE Category CWE-20
Published Date Mar 22, 2011
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 6.8 CVSS v2.0
Exploit Probability (EPSS)
2.47%

Vulnerability Summary

CVE-2011-1506: The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP 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. NOTE: some of these details are obtained from third party information.

CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-1506 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.