CVE-2019-8275

high-risk
Published 2019-03-08

UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

Do I need to act?

~
4.3% chance of exploitation in next 30 days
EPSS score — moderate 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
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Sinumerik Access Mymachine\/P2P
Sinumerik Pcu Base Win10 Software\/Ipc
Sinumerik Pcu Base Win7 Software\/Ipc

Affected Vendors

Siemens Uvnc

References (12)

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
Third Party Advisory https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19...
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
Third Party Advisory https://www.us-cert.gov/ics/advisories/icsa-20-161-06
https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
Third Party Advisory https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19...
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
Third Party Advisory https://www.us-cert.gov/ics/advisories/icsa-20-161-06
50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 8/34 · Low
Exposure 10/34 · Low