High severity · published Jan 24, 2025
CVE-2019-15690
LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shapes with specially crafted dimensions, which can result in remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
LibVNCServer · LibVNC
through 0.9.12 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15690
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15690
ics-cert.kaspersky.com
https://ics-cert.kaspersky.com/vulnerabilities/klcert-20-009-remote-code-execution-on-libvnc-version-prior-to-0-9-12/
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