CVE-2021-21320
User content sandbox can be confused into opening arbitrary documents
2.6
LOW
CVSS 3.1
EPSS 0.92%
描述
### Impact The user content sandbox can be abused to trick users into opening unexpected documents after several user interactions. The content can be opened with a `blob` origin from the Matrix client, so it is possible for a malicious document to access user messages and secrets. ### Patches This has been fixed by https://github.com/matrix-org/matrix-react-sdk/pull/5657, which is included in 3.15.0. ### Workarounds There are no known workarounds.
如何修補 CVE-2021-21320
要修補 CVE-2021-21320,請將受影響套件升級到下列已修補版本。
- —升級至 3.15.0 或更新版本
CVE-2021-21320 正在被利用嗎?
低 — EPSS 為 0.9%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 3.15.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.6 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N |