tightvnc 関連製品全体の CVE とセキュリティ脆弱性情報を集約し、CVSS、EPSS、公開日、脆弱性情報データを掲載しています。
過去の問題は主に バッファオーバーフロー and vendor risk memory corruption などに関し、一部は アプリケーションクラッシュ を招き、vendor surface software deployment and vendor surface production workloads 関連の場面に影響します。
掲載データは公開脆弱性情報とセキュリティ公告に基づき、過去の暴露面と修補優先度の評価に利用できます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2023-27830 | 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. | [email protected] | 9.0 | 0.42% | 2023-04-12 | 2025-02-08 |
| CVE-2021-42785 | Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server. | [email protected] | 9.8 | 0.98% | 2021-11-23 | 2024-11-21 |
| CVE-2019-8287 | TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity. | [email protected] | 9.8 | 2.37% | 2019-10-29 | 2024-11-21 |
| CVE-2019-15680 | TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity. | [email protected] | 7.5 | 0.68% | 2019-10-29 | 2024-11-21 |
| CVE-2019-15679 | TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity. | [email protected] | 9.8 | 2.63% | 2019-10-29 | 2024-11-21 |
| CVE-2019-15678 | TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity. | [email protected] | 9.8 | 2.63% | 2019-10-29 | 2024-11-21 |
| CVE-2009-0388 | Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp. | [email protected] | 10.0 | 48.32% | 2009-02-04 | 2026-04-23 |
| CVE-2002-1511 | The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies. | [email protected] | 5.0 | 1.35% | 2003-03-03 | 2026-04-16 |
| CVE-2002-1848 | TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords. | [email protected] | 2.1 | 0.07% | 2002-12-31 | 2026-04-16 |
| CVE-2002-1336 | TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users. | [email protected] | 7.5 | 1.07% | 2002-12-11 | 2026-04-16 |
| CVE-2002-0971 | Vulnerability in VNC, TightVNC, and TridiaVNC allows local users to execute arbitrary code as LocalSystem by using the Win32 Messaging System to bypass the VNC GUI and access the "Add new clients" dialogue box. | [email protected] | 4.6 | 0.09% | 2002-09-24 | 2026-04-16 |