CVE-2021-30504
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
- Record
CVE-2021-30504- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
- Record
CVE-2021-30504- Updated
- 2026-11-02
EUVDEUVD-2021-17425 No score
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
- Record
EUVD-2021-17425- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-887c-6389-89qh No score
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
In JetBrains IntelliJ IDEA before 2021.1, DoS was possible because of unbounded resource allocation.
- Record
GHSA-887c-6389-89qh- Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30504 is a high vulnerability (CVSS 7.5) in Jetbrains Intellij Idea, published May 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.31%, the 83rd percentile. No source names a fixed version.