CVE-2019-8261
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.2%
exploitation probability
2.2%top 19% of all CVEs
observed exploitation
nono source reports it
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
Affected products
UltraVNC · UltraVNCReferences
https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdfhttps://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-007-ultravnc-out-of-bound-read/https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11https://www.us-cert.gov/ics/advisories/icsa-20-161-06