Vulnerability Report

CVE-2012-3523

RCE

Title: Isc Inn RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2012-3523.

CWE Category CWE-264

Published Date Nov 11, 2012

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

18.81%

Vulnerability Summary

CVE-2012-3523: The STARTTLS implementation in nnrpd in INN before 2.5.3 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.

Impacted Vendors

isc 1

inn 1

Reference Links

http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html http://secunia.com/advisories/50661 http://www.mandriva.com/security/advisories?name=MDVSA-2012:156 http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html http://secunia.com/advisories/50661 http://www.mandriva.com/security/advisories?name=MDVSA-2012:156

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-2012-3523 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

November 11, 2012 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.