CVSS 3.0
9.8 criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2019-8265
Critical (9.8) in uvnc ultravnc. EPSS 3.1% chance of exploitation in the next 30 days.
UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.
Severity
- EPSS
- 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-125, CWE-787, CWE-788
- Published
- Modified
- Record from
- the NVD, synced
Affected
- uvnc:ultravnc
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-012-ultravnc-access-of-memory-location-after-end-of-buffer/
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11