Is CVE-2009-4973 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2009-4973, but active exploitation has not been confirmed.

Can CVE-2009-4973 be exploited remotely?

Yes. CVE-2009-4973 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2009-4973?

CVE-2009-4973 has a CVSS score of 7.5 (HIGH).

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HIGHPOC

CVE-2009-4973

CWE-89Published: July 28, 2010· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official Description

SQL injection vulnerability in rss.php in TotalCalendar 2.4 allows remote attackers to execute arbitrary SQL commands via the selectedCal parameter in a SwitchCal action.

NVD Source

Technical Analysis

CVE-2009-4973 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.

A proof-of-concept (PoC) exploit exists for CVE-2009-4973. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.