CVE-2021-3305 json
Beijing Feishu Technology Co., Ltd Feishu v3.40.3 was discovered to contain an untrusted search path vulnerability.
published 2022-10-18 4 y ago modified 2026-07-09 4 mo ago also EUVD-2021-26639
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Beijing Feishu Technology Co., Ltd Feishu v3.40.3 was discovered to contain an untrusted search path vulnerability.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/liong007/Feishu/issues/1 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-426 Untrusted Search Path
References
-
github.com
/liong007/Feishu/issues/1
exploit, issue-tracking, third-party-advisory
-
feishu.cn
/
vendor-advisory
Sources
- CVE List CVE-2021-3305
- NVD CVE-2021-3305
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