How severe is CVE-2006-4309?

CVE-2006-4309 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2006-4309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4309?

CVE-2006-4309 affects Ak-systems Windows Terminal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4309?

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-2006-4309 published?

CVE-2006-4309 was published on 2006-08-23 and last updated on 2026-06-16.

CVE-2006-4309

CVE-2006-4309 is a critical-severity vulnerability in Ak-systems Windows Terminal 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.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ak-systems Windows Terminal
Published: 2006-08-23
Last modified: 2026-06-16

Description

VNC server on the AK-Systems Windows Terminal 1.2.5 ExVLP is not password protected, which allows remote attackers to login and view RDP or Citrix sessions.

Frequently asked questions

What is CVE-2006-4309?: VNC server on the AK-Systems Windows Terminal 1.2.5 ExVLP is not password protected, which allows remote attackers to login and view RDP or Citrix sessions.
How severe is CVE-2006-4309?: CVE-2006-4309 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2006-4309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4309?: CVE-2006-4309 affects Ak-systems Windows Terminal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4309?: 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-2006-4309 published?: CVE-2006-4309 was published on 2006-08-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ak-systems:windows_terminal:1.2.5_exvlp:*:*:*:*:*:*:*