CVEvulnerability

CVE-2021-39207

8.8 HIGH Published 2021-09-10 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-502

Description

parlai is a framework for training and evaluating AI models on a variety of openly available dialogue datasets. In affected versions the package is vulnerable to YAML deserialization attack caused by unsafe loading which leads to Arbitary code execution. This security bug is patched by avoiding unsafe loader users should update to version above v1.1.0. If upgrading is not possible then users can change the Loader used to SafeLoader as a workaround. See commit 507d066ef432ea27d3e201da08009872a2f37725 for details.

Affected configurations

• facebook parlai (< 1.1.0)

Related

Weakness · CWE (1)

  • CWE-502 Deserialization of Untrusted Data weakness

References