How severe is CVE-2009-3853?

CVE-2009-3853 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-3853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3853?

CVE-2009-3853 primarily affects Ibm Tivoli Storage Manager. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3853?

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-2009-3853 published?

CVE-2009-3853 was published on 2009-11-04 and last updated on 2026-06-16.

CVE-2009-3853

CVE-2009-3853 is a critical-severity vulnerability in Ibm Tivoli Storage Manager with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 37% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Tivoli Storage Manager
Published: 2009-11-04
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the client acceptor daemon (CAD) scheduler in the client in IBM Tivoli Storage Manager (TSM) 5.3 before 5.3.6.7, 5.4 before 5.4.3, 5.5 before 5.5.2.2, and 6.1 before 6.1.0.2, and TSM Express 5.3.3.0 through 5.3.6.6, allows remote attackers to execute arbitrary code via crafted data in a TCP packet.

Frequently asked questions

What is CVE-2009-3853?: Stack-based buffer overflow in the client acceptor daemon (CAD) scheduler in the client in IBM Tivoli Storage Manager (TSM) 5.3 before 5.3.6.7, 5.4 before 5.4.3, 5.5 before 5.5.2.2, and 6.1 before 6.1.0.2, and TSM Express 5.3.3.0 through 5.3.6.6, allows remote attackers to execute arbitrary code via crafted data in a TCP packet.
How severe is CVE-2009-3853?: CVE-2009-3853 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-3853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3853?: CVE-2009-3853 primarily affects Ibm Tivoli Storage Manager. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3853?: 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-2009-3853 published?: CVE-2009-3853 was published on 2009-11-04 and last updated on 2026-06-16.

References

Affected products (27)

cpe:2.3:a:ibm:tivoli_storage_manager:5.2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.3:*:express:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.4:*:express:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.5:*:express:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6:*:express:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.3.6.6:*:express:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.4.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:5.5.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager:6.1.0:*:*:*:*:*:*:*

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