Is CVE-2009-2543 actively exploited?

No active exploitation of CVE-2009-2543 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2009-2543 be exploited remotely?

Yes. CVE-2009-2543 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2009-2543?

CVE-2009-2543 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2009-2543

CRITICAL

CVE-2009-2543

NVD-CWE-noinfoPublished: July 20, 2009· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Multiple unspecified vulnerabilities in the IBM Proventia engine 4.9.0.0.44 20081231, as used in IBM Proventia Network Mail Security System, Network Mail Security System Virtual Appliance, Desktop Endpoint Security, Network Multi-Function Security (MFS), and possibly other products, allow remote attackers to bypass detection of malware via a modified (1) ZIP or (2) CAB archive, a related issue to CVE-2009-1240.

NVD Source

Technical Analysis

CVE-2009-2543 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.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.

User Interaction

Scope

Impact

ConfidentialityC

IntegrityC

AvailabilityC

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

IBM4 product(s)

proventia desktop endpoint securityproventia network mail security systemproventia network mail security system vitual applianceproventia network multi-function security

Source: NVD CPE · 4 total CPE entries