Is CVE-2006-1652 in the CISA KEV catalog?

No. CVE-2006-1652 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-1652?

CVE-2006-1652 has a CVSS v2 base score of 9.0 (HIGH).

What is the EPSS score for CVE-2006-1652?

CVE-2006-1652 has an EPSS score of 67.40% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2006-1652

HIGHEPSS 99th pctl

9.0

CVSS v2

NVD

Description

Multiple buffer overflows in (a) UltraVNC (aka Ultr@VNC) 1.0.1 and earlier and (b) tabbed_viewer 1.29 (1) allow user-assisted remote attackers to execute arbitrary code via a malicious server that sends a long string to a client that connects on TCP port 5900, which triggers an overflow in Log::ReallyPrint; and (2) allow remote attackers to cause a denial of service (server crash) via a long HTTP GET request to TCP port 5800, which triggers an overflow in VNCLog::ReallyPrint.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

67.40%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.