How severe is CVE-2009-0311?

CVE-2009-0311 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-0311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0311?

CVE-2009-0311 primarily affects Emc Autostart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0311?

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-2009-0311 published?

CVE-2009-0311 was published on 2009-01-27 and last updated on 2026-06-16.

CVE-2009-0311

CVE-2009-0311 is a critical-severity vulnerability in Emc Autostart 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Emc Autostart
Published: 2009-01-27
Last modified: 2026-06-16

Description

The Backbone service (ftbackbone.exe) in EMC AutoStart before 5.3 SP2 allows remote attackers to execute arbitrary code via a packet with a crafted value that is dereferenced as a function pointer.

Frequently asked questions

What is CVE-2009-0311?: The Backbone service (ftbackbone.exe) in EMC AutoStart before 5.3 SP2 allows remote attackers to execute arbitrary code via a packet with a crafted value that is dereferenced as a function pointer.
How severe is CVE-2009-0311?: CVE-2009-0311 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-0311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0311?: CVE-2009-0311 primarily affects Emc Autostart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0311?: 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-2009-0311 published?: CVE-2009-0311 was published on 2009-01-27 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:emc:autostart:*:sp1:*:*:*:*:*:*
cpe:2.3:a:emc:autostart:5.3:*:*:*:*:*:*:*

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