Is CVE-2008-3493 being actively exploited?

CVE-2008-3493 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-3493?

CVE-2008-3493 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2008-3493

MEDIUM · CVSS 5.0EPSS 5.6%EU EUVD

vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 5.6% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-3479)
Published: August 6, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-3479 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

realvnc / realvnc windows client

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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