How severe is CVE-2020-27623?

CVE-2020-27623 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-27623 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27623?

CVE-2020-27623 affects Jetbrains Ideavim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27623?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-27623 published?

CVE-2020-27623 was published on 2020-11-16 and last updated on 2026-06-17.

CVE-2020-27623

CVE-2020-27623 is a high-severity vulnerability in Jetbrains Ideavim with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jetbrains Ideavim
Published: 2020-11-16
Last modified: 2026-06-17

Description

JetBrains IdeaVim before version 0.58 might have caused an information leak in limited circumstances.

Frequently asked questions

What is CVE-2020-27623?: JetBrains IdeaVim before version 0.58 might have caused an information leak in limited circumstances.
How severe is CVE-2020-27623?: CVE-2020-27623 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-27623 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27623?: CVE-2020-27623 affects Jetbrains Ideavim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27623?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-27623 published?: CVE-2020-27623 was published on 2020-11-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jetbrains:ideavim:*:*:*:*:*:*:*:*