CVE-2021-43734 in the critical feed json
kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.
published 2022-02-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30641
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.7%
- EPSS 10.7% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability which may lead to sensitive file leak on related host.
Exploit prediction
10.73% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template kkFileview v4.0.0 - Local File Inclusion nuclei detection template
- github.com https://github.com/kekingcn/kkFileView/issues/304 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/kekingcn/kkFileView/issues/304
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-43734
- NVD CVE-2021-43734
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.