Upstream information

CVE-2023-27830 at MITRE


TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9 7.3
Attack Vector Network Local
Attack Complexity Low Low
Privileges Required Low Low
User Interaction Required Required
Scope Changed Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1210399 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Server 11 SP3 tightvnc Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS tightvnc Not affected
SUSE Linux Enterprise Server 11 SP4 tightvnc Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS tightvnc Not affected

SUSE Timeline for this CVE

CVE page created: Wed Apr 12 18:00:54 2023
CVE page last modified: Fri Oct 13 21:36:54 2023