Out-of-bounds Read in Kaspersky Lab Ultravnc

CVE-2019-8280

UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside RAW decoder, which can potentially result code execution. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed i…

EPSS: 0.042 (89.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-8280?
CVE-2019-8280 is a critical-severity vulnerability in Kaspersky Lab Ultravnc, classified under CWE-788. CVSS score: 9.8/10. Published 2019-03-08.
How severe is CVE-2019-8280?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-8280 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.