How severe is CVE-2011-1785?

CVE-2011-1785 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2011-1785 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1785?

CVE-2011-1785 primarily affects Vmware Esx. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1785?

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

When was CVE-2011-1785 published?

CVE-2011-1785 was published on 2011-05-03 and last updated on 2026-06-16.

CVE-2011-1785

CVE-2011-1785 is a high-severity vulnerability in Vmware Esx with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Vmware Esx
Published: 2011-05-03
Last modified: 2026-06-16

Description

VMware ESXi 4.0 and 4.1 and ESX 4.0 and 4.1 allow remote attackers to cause a denial of service (socket exhaustion) via unspecified network traffic.

Frequently asked questions

What is CVE-2011-1785?: VMware ESXi 4.0 and 4.1 and ESX 4.0 and 4.1 allow remote attackers to cause a denial of service (socket exhaustion) via unspecified network traffic.
How severe is CVE-2011-1785?: CVE-2011-1785 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2011-1785 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1785?: CVE-2011-1785 primarily affects Vmware Esx. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1785?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-1785 published?: CVE-2011-1785 was published on 2011-05-03 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:vmware:esx:4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esx:4.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esxi:4.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:esxi:4.1:*:*:*:*:*:*:*

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