CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2020-14405
Medium (6.5). EPSS 1.9% chance of exploitation in the next 30 days.
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
Severity
- EPSS
- 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
- CWE
- CWE-770
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- libvnc_project:libvncserver
- siemens:simatic_itc1500_firmware
- siemens:simatic_itc1500_pro_firmware
- siemens:simatic_itc1900_firmware
- siemens:simatic_itc1900_pro_firmware
- siemens:simatic_itc2200_firmware
- siemens:simatic_itc2200_pro_firmware
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html