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CVE-2019-8271

Published: Mar 9, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-122
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
8.3%
Top 5.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer handler, which can potentially result code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-122CWE-787

Affected Products

UltraVNCTeam UltraVNC
On-prem
Consumer Software / productivity
TelevisGoSchneider ElectricICS / OT / IoT
UltraVNCKaspersky Lab
Mixed
Security Products / endpoint-av-edr
ultravncuvnc
sinumerik access mymachine\/p2psiemens
On-prem
Enterprise Software / collaboration-groupware
team ultravncoss-projectConsumer Softwareaka ultravnc
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
kaspersky labcommercialRUSecurity Productsaka kaspersky anti-virus, ultravnc, kaspersky internet security
uvncaka ultravnc, pchelpwarev2, ultravnc launcher, winvnc
siemenscommercialDEEnterprise Softwareaka siemens ag
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2019-8271
nvd.nist.gov
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-018-ultravnc-heap-based-buffer-overflow/
ics-cert.kaspersky.com
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Name=SEVD-2019-225-05-TelevisGO_Security_Notification.pdf&p_Doc_Ref=SEVD-2019-225-05
download.schneider-electric.com
and 12 more references View all →

Timeline

Published
Mar 9, 2019
Last Updated
Nov 21, 2024

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