CVE-2021-31897

Home/CVE/In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.

CVE

In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.

CRITICAL · CVSS 9.8 EPSS 0.00011

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

jetbrains webstorm< 2021.1

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Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · cve@mitre.org

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Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD11 May 2021 · 01:15 PM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://blog.jetbrains.comVendor Advisory

https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/Vendor Advisory

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Sigma rules
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Compliance
NIST 800-53
ISO 27001:2022
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PCI-DSS v4.0
CIS Controls v8.1

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