CVE-2021-21415: Prisma VS Code a VSCode extension for Prisma schema files

Q: How do I fix CVE-2021-21415?

language-tools: upgrade to 2.20.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-21415 being exploited?

CVE-2021-21415 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-21415 affect?

CVE-2021-21415 affects language-tools. Severity is high (CVSS 7.8). Prisma VS Code a VSCode extension for Prisma schema files. This is a Remote Code Execution Vulnerability that affects all versions of the Prisma VS Code extension older than 2.20.0. If a custom binary path for the Prisma format binary is se

This month

HIGH 7.8UPGRADE

CVE-2021-21415 is a high-severity flaw (CVSS 7.8) affecting language-tools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Prisma VS Code a VSCode extension for Prisma schema files. This is a Remote Code Execution Vulnerability that affects all versions of the Prisma VS Code extension older than 2.20.0. If a custom binary path for the Prisma format binary is set in VS Code Settings, for example by downloading a project that has a .vscode/settings.json file that sets a value for "prismaFmtBinPath". That custom binary is executed when auto-formatting is triggered by VS

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-94
Published	2021-04-29
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: prisma

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-29 17:15 UTCPublished CVE record published
2026-06-17 03:35 UTCUpdated Record last modified

prisma language-tools UPGRADE

Affected: < 2.20.0

Fixed in: 2.20.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy language-tools || rpm -q language-tools || language-tools --version

2. UPGRADE to 2.20.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade language-tools

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade language-tools

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-21415?

language-tools: upgrade to 2.20.0. Exact commands for each OS are on this page.

Is CVE-2021-21415 being exploited?

CVE-2021-21415 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-21415 affect?

CVE-2021-21415 affects language-tools. Severity is high (CVSS 7.8). Prisma VS Code a VSCode extension for Prisma schema files. This is a Remote Code Execution Vulnerability that affects all versions of the Prisma VS Code extension older than 2.20.0. If a custom binary path for the Prisma format binary is se

How urgent is CVE-2021-21415?

Priority 48/100. High severity

References

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