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cvelistGitHub_MCVELIST:CVE-2021-39207
HistorySep 10, 2021 - 10:20 p.m.

CVE-2021-39207 Deserialization of Untrusted Data in parlai

2021-09-1022:20:09
CWE-502
GitHub_M
www.cve.org
1

8.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.9%

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.

CNA Affected

[
  {
    "product": "ParlAI",
    "vendor": "facebookresearch",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.1.0"
      }
    ]
  }
]

8.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

56.9%

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