CVE-2021-37440 json
NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.
published 2021-07-25 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24005
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.
Exploit prediction
1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/0xfml/poc/blob/main/NCH/Axon_2.22_LFI.md
exploit, third-party-advisory
-
nch.com.au
/pbx/index.html
product
Sources
- CVE List CVE-2021-37440
- NVD CVE-2021-37440
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