In JetBrains IntelliJ IDEA before 2020.2, HTTP links were used for several remote repositories instead of HTTPS.
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In JetBrains IntelliJ IDEA before 2020.2, HTTP links were used for several remote repositories instead of HTTPS.
Why it matters now
EPSS 0.01314 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25756
- 2026-10-03 Alias added: GHSA-fm2x-8p52-vp9v
References
More JetBrains Intellij Idea vulnerabilities
- TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
- TI-2026-46342 In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development session CVSS 3.1CRITICAL 10.0
- TI-2026-46341 In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session CVSS 3.1CRITICAL 10.0
- TI-2019-07428 In several JetBrains IntelliJ IDEA Ultimate versions, an Application Server run… CVSS 3.0CRITICAL 9.8
- TI-2019-06646 In several JetBrains IntelliJ IDEA versions, a Spring Boot run configuration with the… CVSS 3.0CRITICAL 9.8
- TI-2020-09382 In JetBrains IntelliJ IDEA before 2020.1, the license server could be resolved to an untrusted host in some cases. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-25756 · CVE Program
- CVE-2021-25756 · NVD
- FIRST EPSS
- GHSA-fm2x-8p52-vp9v · GitHub Advisory Database · CC BY 4.0
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