CVE-2022-31605 json
Unsafe yaml deserialization in NVFlare
published 2022-06-22 4 y ago modified 2026-07-08 4 mo ago also GHSA-hrf3-622q-8366 , PYSEC-2022-232 , EUVD-2022-0167
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
NVFLARE, versions prior to 2.1.2, contains a vulnerability in its utils module, where YAML files are loaded via yaml.load() instead of yaml.safe_load(). The deserialization of Untrusted Data, may allow an unprivileged network attacker to cause Remote Code Execution, Denial Of Service, and Impact to both Confidentiality and Integrity.
Patch / fix
Exploit prediction
2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | nvflare | <2.1.2 |
2.1.2 |
Affected products
- NVIDIA NVIDIA FLARE
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/NVIDIA/NVFlare/commit/4de9782697ecb12f39bcae83221bd8d3498959be
web
-
github.com
/NVIDIA/NVFlare/security/advisories/GHSA-hrf3-622q-8366
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-31605
advisory
-
github.com
/NVIDIA/NVFlare
package
-
github.com
/pypa/advisory-database/tree/main/vulns/nvflare/PYSEC-2022-232.yaml
web
Sources
- CVE List CVE-2022-31605
- GitHub Advisory GHSA-hrf3-622q-8366
- NVD CVE-2022-31605
- OSV PYSEC-2022-232
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.