CVE-2021-39207

CVSS V2 Medium 6.5 CVSS V3 High 8.8
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.
Overview
  • CVE ID
  • CVE-2021-39207
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-10T23:15:07
  • Last Modified Date
  • 2021-09-23T15:47:49
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:facebook:parlai:*:*:*:*:*:*:*:* 1 OR 1.1.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
History
Created Old Value New Value Data Type Notes
2022-05-10 06:53:41 Added to TrackCVE
2022-12-05 10:23:19 2021-09-10T23:15Z 2021-09-10T23:15:07 CVE Published Date updated
2022-12-05 10:23:19 2021-09-23T15:47:49 CVE Modified Date updated
2022-12-05 10:23:19 Analyzed Vulnerability Status updated