How severe is CVE-2009-2856?

CVE-2009-2856 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2009-2856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2856?

CVE-2009-2856 affects Sun Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2856?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-2856 published?

CVE-2009-2856 was published on 2009-08-18 and last updated on 2026-06-16.

CVE-2009-2856

CVE-2009-2856 is a low-severity vulnerability in Sun Virtual Desktop Infrastructure with a CVSS 2.0 base score of 3.5. 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Sun Virtual Desktop Infrastructure
Published: 2009-08-18
Last modified: 2026-06-16

Description

Sun Virtual Desktop Infrastructure (VDI) 3.0, when anonymous binding is enabled, does not properly handle a client's attempt to establish an authenticated and encrypted connection, which might allow remote attackers to read cleartext VDI configuration-data requests by sniffing LDAP sessions on the network.

Frequently asked questions

What is CVE-2009-2856?: Sun Virtual Desktop Infrastructure (VDI) 3.0, when anonymous binding is enabled, does not properly handle a client's attempt to establish an authenticated and encrypted connection, which might allow remote attackers to read cleartext VDI configuration-data requests by sniffing LDAP sessions on the network.
How severe is CVE-2009-2856?: CVE-2009-2856 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2009-2856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2856?: CVE-2009-2856 affects Sun Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2856 published?: CVE-2009-2856 was published on 2009-08-18 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sun:virtual_desktop_infrastructure:3.0:*:*:*:*:*:*:*

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