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CVE-2021-21415

25
FAUCET Score

CVE-2021-21415 is a Remote Code Execution (RCE) vulnerability affecting Prisma VS Code extension versions older than 2.20.0. It allows for arbitrary code execution if a malicious custom binary path for the Prisma format binary is set in a project's VS Code settings. With a CVSS score of 7.8 (HIGH), this vulnerability has a low attack complexity and requires user interaction, but can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.20.0CPE matchmatch criteria
cpe:2.3:a:prisma:language-tools:*:*:*:*:*:visual_studio_code:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.10%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0210 is in the 79th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / prisma/language-tools/pull/750
PatchThird Party Advisory
github.com / prisma/language-tools/security/advisories/GHSA-4rf9-43m7-x828
Third Party Advisory
marketplace.visualstudio.com / items
Product
marketplace.visualstudio.com / items
Product