In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
为什么是这个 VPI(可解释·实验性)
VPI 计算依据
| 影响度 | 78.00 |
| 利用信号(KEV 收录) | ×1.50 |
| 勒索软件加成 | +5.00 |
| VPI | 100.00 |
VPI 公式 vpi-v1
必要措施
Apply updates per vendor instructions.
| 来源 | CVSS 版本 | 基础评分 | 严重程度 | 向量字符串 | 评估日期 |
|---|---|---|---|---|---|
| NVDNIST | 3.1 | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | 2026. 04. 20. |
| NVDNIST | 2.0 | 6.8 |
In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.
| AV:N/AC:M/Au:N/C:P/I:P/A:P |
| 2026. 04. 20. |