How severe is CVE-2020-15817?

CVE-2020-15817 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15817?

CVE-2020-15817 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15817?

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-2020-15817 published?

CVE-2020-15817 was published on 2020-08-08 and last updated on 2026-06-17.

CVE-2020-15817

CVE-2020-15817 is a high-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 8.8. 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 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jetbrains Youtrack
Published: 2020-08-08
Last modified: 2026-06-17

Description

In JetBrains YouTrack before 2020.1.1331, an external user could execute commands against arbitrary issues.

Frequently asked questions

What is CVE-2020-15817?: In JetBrains YouTrack before 2020.1.1331, an external user could execute commands against arbitrary issues.
How severe is CVE-2020-15817?: CVE-2020-15817 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15817?: CVE-2020-15817 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15817?: 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-2020-15817 published?: CVE-2020-15817 was published on 2020-08-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*

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