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Fencer Vulns
medium 6.3

CVE-2023-51655 json

In JetBrains IntelliJ IDEA before 2023.3.2 code execution was possible in Untrusted Project mode via a malicious plugin repository specifie…

published 2023-12-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56364

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

In JetBrains IntelliJ IDEA before 2023.3.2 code execution was possible in Untrusted Project mode via a malicious plugin repository specified in the project configuration

Patch / fix

  • JetBrains IntelliJ IDEA 2023.3.2

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • JetBrains IntelliJ IDEA

Classification

Weakness
  • CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data
  • CWE-345 Insufficient Verification of Data Authenticity

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.