What is CVE-2020-15827?

CVE-2020-15827 is a high-severity vulnerability in Jetbrains Toolbox, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-08-08.

How severe is CVE-2020-15827?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Jetbrains Toolbox

CVE-2020-15827

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

Published 2020-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jetbrains Toolbox

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

blog.jetbrains.com (Vendor Advisory)
blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-15827?: CVE-2020-15827 is a high-severity vulnerability in Jetbrains Toolbox, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-08-08.
How severe is CVE-2020-15827?: High severity. CVSS v3 base score is 7.5 out of 10.