VulnerabilityModified
CVE-2021-30504
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
HIGH 7.5EPSS 2.31%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.31% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- jetbrains/intellij idea
- Source
- cve@mitre.org
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.jetbrains.comVendor Advisory
- https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/Vendor Advisory
- https://blog.jetbrains.comVendor Advisory
- https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.