CVE-2021-33026
Deserialization of Untrusted Data in Flask-Caching
4.2
MEDIUM
CVSS 3.1
EPSS 7.3%
描述
The Flask-Caching extension through 1.10.1 for Flask relies on Pickle for serialization, which may lead to remote code execution or local privilege escalation. If an attacker gains access to cache storage (e.g., filesystem, Memcached, Redis, etc.), they can construct a crafted payload, poison the cache, and execute Python code. NOTE: a third party indicates that exploitation is extremely unlikely unless the machine is already compromised; in other cases, the attacker would be unable to write their payload to the cache and generate the required collision
如何修補 CVE-2021-33026
目前尚未發布修補版本。可考慮移除受影響套件,或參考下方連結中的上游建議。
- —未列出修補版本
- —未列出修補版本
CVE-2021-33026 正在被利用嗎?
中等 — EPSS 為 7.3%,可持續追蹤但非最高優先。
受影響套件(2)
- from 0
- from 0, <= 1.10.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.2 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N |