CVE-2019-8272

UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
KasperskyCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
uvncultravnc
𝑥
< 1.2.2.3
siemenssinumerik_access_mymachine\/p2p
𝑥
< 4.8
siemenssinumerik_pcu_base_win10_software\/ipc
𝑥
< 14.00
siemenssinumerik_pcu_base_win7_software\/ipc
𝑥
≤ 12.01
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-019-ultravnc-off-by-one-error/
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-019-ultravnc-off-by-one-error/
https://www.us-cert.gov/ics/advisories/icsa-20-161-06