How severe is CVE-2009-1240?

CVE-2009-1240 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-1240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1240?

CVE-2009-1240 primarily affects Ibm Proventia Desktop Endpoint Security. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1240?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-1240 published?

CVE-2009-1240 was published on 2009-04-03 and last updated on 2026-06-16.

CVE-2009-1240

CVE-2009-1240 is a critical-severity vulnerability in Ibm Proventia Desktop Endpoint Security with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Proventia Desktop Endpoint Security
Published: 2009-04-03
Last modified: 2026-06-16

Description

Unspecified vulnerability 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, allows remote attackers to bypass detection of malware via a modified RAR archive.

Frequently asked questions

What is CVE-2009-1240?: Unspecified vulnerability 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, allows remote attackers to bypass detection of malware via a modified RAR archive.
How severe is CVE-2009-1240?: CVE-2009-1240 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-1240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1240?: CVE-2009-1240 primarily affects Ibm Proventia Desktop Endpoint Security. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1240?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1240 published?: CVE-2009-1240 was published on 2009-04-03 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ibm:proventia_desktop_endpoint_security:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:proventia_network_mail_security_system:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:network_multi-function_security:*:*:*:*:*:*:*:*
cpe:2.3:h:ibm:proventia_network_mail_security_system_virtual_appliance:*:*:*:*:*:*:*:*

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CVE-2009-2543 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in the IBM Proventia engine 4.9.0.0.44 20081231, as used in IBM Proventia Network…

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