CVE-2022-25299 json
Arbitrary File Write
published 2022-02-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-29986
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
This affects the package cesanta/mongoose before 7.6. The unsafe handling of file names during upload using mg_http_upload() method may enable attackers to write files to arbitrary locations outside the designated target folder.
Patch / fix
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-UNMANAGED-CESANTAMONGOOSE-2404180 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- n/a cesanta/mongoose
Classification
- Weakness
-
- CWE-552 Files or Directories Accessible to External Parties
References
-
github.com
/cesanta/mongoose/commit/c65c8fdaaa257e0487ab0aaae9e8f6b439335945
patch, third-party-advisory
-
snyk.io
/vuln/SNYK-UNMANAGED-CESANTAMONGOOSE-2404180
exploit, third-party-advisory
Sources
- CVE List CVE-2022-25299
- NVD CVE-2022-25299
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