How severe is CVE-2020-15827?

CVE-2020-15827 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 none, integrity high, and availability none.

Is CVE-2020-15827 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15827?

CVE-2020-15827 affects Jetbrains Toolbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15827?

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-2020-15827 published?

CVE-2020-15827 was published on 2020-08-08 and last updated on 2026-06-17.

CVE-2020-15827

CVE-2020-15827 is a high-severity vulnerability in Jetbrains Toolbox 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. The underlying weakness is classified as CWE-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Jetbrains Toolbox
Published: 2020-08-08
Last modified: 2026-06-17

Description

In JetBrains ToolBox version 1.17 before 1.17.6856, the set of signature verifications omitted the jetbrains-toolbox.exe file.

Frequently asked questions

What is CVE-2020-15827?: In JetBrains ToolBox version 1.17 before 1.17.6856, the set of signature verifications omitted the jetbrains-toolbox.exe file.
How severe is CVE-2020-15827?: CVE-2020-15827 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 none, integrity high, and availability none.
Is CVE-2020-15827 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15827?: CVE-2020-15827 affects Jetbrains Toolbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15827?: 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-2020-15827 published?: CVE-2020-15827 was published on 2020-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jetbrains:toolbox:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Toolbox

CVE-2020-25207 — Critical (CVSS 9.8): JetBrains ToolBox before version 1.18 is vulnerable to Remote Code Execution via a browser protocol handler.
CVE-2025-43012 — High (CVSS 8.3): In JetBrains Toolbox App before 2.6 command injection in SSH plugin was possible
CVE-2020-25013 — High (CVSS 7.5): JetBrains ToolBox before version 1.18 is vulnerable to a Denial of Service attack via a browser protocol handler.
CVE-2019-18368 — High (CVSS 7.3): In JetBrains Toolbox App before 1.15.5666 for Windows, privilege escalation was possible.
CVE-2025-43013 — Medium (CVSS 6.9): In JetBrains Toolbox App before 2.6 unencrypted credential transmission during SSH authentication was possible
CVE-2025-43014 — Medium (CVSS 6.1): In JetBrains Toolbox App before 2.6 the SSH plugin established connections without sufficient user confirmation

All CVEs affecting Jetbrains Toolbox →

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