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CVE-2019-8269

HIGH
7.5
CVSS Score
Published: March 9, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:41 AM UTC
4 products affected across 2 vendorsUltraVNCSinumerik Pcu Base WIN10 Software /ipcSinumerik Access Mymachine /p2p

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Severity
HIGH7.5
Exploit prediction
EPSS 6%

Description

UltraVNC revision 1206 has stack-based Buffer overflow vulnerability in VNC client code inside FileTransfer module, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1207.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sinumerik Access Mymachine /p2p· Siemens
95%
v < 4.8
Affected range stops below 4.8, so it looks safe — our inference, not a vendor statement
Sinumerik Pcu Base WIN10 Software /ipc· Siemens
95%
v < 14.00
Affected range stops below 14.00, so it looks safe — our inference, not a vendor statement
Sinumerik Pcu Base WIN7 Software /ipc· Siemens
95%
v ≤ 12.01
UltraVNC· Uvnc
95%
v < 1.2.2.31.2.2.3
Affected range stops below 1.2.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-016-ultravnc-stack-based-buffer-overflow/
x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://www.us-cert.gov/ics/advisories/icsa-20-161-06

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-787

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