本頁列出影響 netsarang xshell 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2017-20203 | NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT record for a month‑generated domain. After receiving a decryption key, it then downloads and executes arbitrary code, creates an encrypted virtual file system (VFS) in the registry, and grants the attacker | [email protected] | 9.3 | 0.61% | 2025-10-09 | 2026-06-16 |
| CVE-2022-27966 | Xshell v7.0.0099 and below contains a binary hijack vulnerability which allows attackers to execute arbitrary code via a crafted .exe file. | [email protected] | 6.5 | 0.45% | 2022-03-31 | 2026-06-17 |
| CVE-2021-42095 | Xshell before 7.0.0.76 allows attackers to cause a crash by triggering rapid changes to the title bar. | [email protected] | 7.5 | 0.93% | 2021-10-07 | 2026-06-17 |
| CVE-2021-37326 | NetSarang Xshell 7 before Build 0077 includes unintended code strings in paste operations. | [email protected] | 5.3 | 0.79% | 2021-08-15 | 2026-06-17 |