What is CVE-2019-8268?

CVE-2019-8268 is a critical-severity vulnerability in Kaspersky Lab Ultravnc, classified under Off-by-one Error. CVSS score: 9.8/10. Published 2019-03-08.

How severe is CVE-2019-8268?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Kaspersky Lab Ultravnc

CVE-2019-8268

UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable vi…

EPSS: 0.039 (89.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

vulnerability@kaspersky.com (Third Party Advisory, x_refsource_MISC)
vulnerability@kaspersky.com (x_refsource_CONFIRM, Third Party Advisory)
vulnerability@kaspersky.com (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-8268?: CVE-2019-8268 is a critical-severity vulnerability in Kaspersky Lab Ultravnc, classified under Off-by-one Error. CVSS score: 9.8/10. Published 2019-03-08.
How severe is CVE-2019-8268?: Critical severity. CVSS v3 base score is 9.8 out of 10.