Is CVE-2011-1643 actively exploited?

No active exploitation of CVE-2011-1643 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-1643 be exploited remotely?

Yes. CVE-2011-1643 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-1643?

CVE-2011-1643 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2011-1643

CRITICAL

CVE-2011-1643

CWE-200Published: August 29, 2011· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before 7.1(5b)su4, 8.0, and 8.5 before 8.5(1)su2 and Cisco Unified Presence Server 6.x, 7.x, 8.0, and 8.5 before 8.5xnr allow remote attackers to read database data by connecting to a query interface through an SSL session, aka Bug IDs CSCti81574, CSCto63060, CSCto72183, and CSCto73833.

NVD Source

Technical Analysis

CVE-2011-1643 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.