CVE-2019-8263
moderate-risk
Published 2019-03-05
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.
Do I need to act?
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0.83% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (4)
Sinumerik Access Mymachine\/P2P
Sinumerik Pcu Base Win10 Software\/Ipc
Sinumerik Pcu Base Win7 Software\/Ipc
References (14)
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
Third Party Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19...
Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
Third Party Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19...
Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
37
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
3/34 · Minimal
Exposure
10/34 · Low