How severe is CVE-2008-2433?

CVE-2008-2433 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2008-2433 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2433?

CVE-2008-2433 primarily affects Trendmicro Client Server Messaging Suite. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-2433?

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-2008-2433 published?

CVE-2008-2433 was published on 2008-08-27 and last updated on 2026-06-16.

CVE-2008-2433

CVE-2008-2433 is a critical-severity vulnerability in Trendmicro Client Server Messaging Suite with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Trendmicro Client Server Messaging Suite
Published: 2008-08-27
Last modified: 2026-06-16

Description

The web management console in Trend Micro OfficeScan 7.0 through 8.0, Worry-Free Business Security 5.0, and Client/Server/Messaging Suite 3.5 and 3.6 creates a random session token based only on the login time, which makes it easier for remote attackers to hijack sessions via brute-force attacks. NOTE: this can be leveraged for code execution through an unspecified "manipulation of the configuration."

Frequently asked questions

What is CVE-2008-2433?: The web management console in Trend Micro OfficeScan 7.0 through 8.0, Worry-Free Business Security 5.0, and Client/Server/Messaging Suite 3.5 and 3.6 creates a random session token based only on the login time, which makes it easier for remote attackers to hijack sessions via brute-force attacks. NOTE: this can be leveraged for code execution through an unspecified "manipulation of the configuration."
How severe is CVE-2008-2433?: CVE-2008-2433 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2008-2433 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2433?: CVE-2008-2433 primarily affects Trendmicro Client Server Messaging Suite. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-2433?: 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-2008-2433 published?: CVE-2008-2433 was published on 2008-08-27 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:trendmicro:client_server_messaging_suite:3.5:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:client_server_messaging_suite:3.6:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:5.0:*:*:*:*:*:*:*

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