Security readout for executives and security teams
Plain-English summary
CVE-2020-27623 concerns JetBrains IdeaVim before version 0.58. The public description says it might have leaked information in limited circumstances. The available sources do not describe the exposed data, attack path, or business impact, so urgency depends on whether affected developer workstations use this plugin.
Executive priority
Treat this as routine but worthwhile developer-tooling hygiene unless affected endpoints handle highly sensitive code, secrets, or customer data. Sparse public detail and no cited exploitation reduce urgency, but outdated IDE plugins can create avoidable information exposure risk.
Technical view
The record describes an information leak in JetBrains IdeaVim versions before 0.58. No CVSS score, CWE, exploit prerequisites, or detailed root cause are provided in the supplied sources. The vendor bulletin is the confirming reference, but the public detail is sparse.
Likely exposure
Exposure is likely limited to systems where developers or administrators installed JetBrains IdeaVim before 0.58. The supplied affected-product metadata is incomplete, so inventory should focus on JetBrains IDE plugin installations rather than server assets.
Exploitation context
The provided bundle says KEV is false and no cited source states active exploitation. Public information does not establish exploit maturity, remote reachability, or whether user interaction is required.
Researcher notes
The source bundle lacks CVSS, CWE, affected CPEs, root-cause detail, and concrete exploit conditions. Avoid over-scoping beyond JetBrains IdeaVim before 0.58. Further analysis should start with the vendor bulletin and internal endpoint/plugin telemetry.
Mitigation direction
- Update JetBrains IdeaVim to version 0.58 or later.
- Review the JetBrains Q3 2020 security bulletin for vendor context.
- Inventory JetBrains IDE plugin versions across developer endpoints.
- Prioritize remediation where sensitive projects or credentials are handled in affected IDEs.
Validation and detection
- Check installed IdeaVim plugin versions on JetBrains IDE endpoints.
- Confirm no endpoint is running IdeaVim earlier than 0.58.
- Document systems where plugin version data is unavailable.
- Review local exposure assumptions against JetBrains vendor guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-27623 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.jetbrains.com/CVE reference · x_refsource_MISC
- https://blog.jetbrains.com/2020/11/16/jetbrains-security-bulletin-q3-2020/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.