How severe is CVE-2020-11691?

CVE-2020-11691 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-2020-11691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11691?

CVE-2020-11691 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11691?

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-2020-11691 published?

CVE-2020-11691 was published on 2020-04-22 and last updated on 2026-06-17.

CVE-2020-11691

CVE-2020-11691 is a high-severity vulnerability in Jetbrains Hub 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% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jetbrains Hub
Published: 2020-04-22
Last modified: 2026-06-17

Description

In JetBrains Hub before 2020.1.12099, content spoofing in the Hub OAuth error message was possible.

Frequently asked questions

What is CVE-2020-11691?: In JetBrains Hub before 2020.1.12099, content spoofing in the Hub OAuth error message was possible.
How severe is CVE-2020-11691?: CVE-2020-11691 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-2020-11691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11691?: CVE-2020-11691 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11691?: 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-2020-11691 published?: CVE-2020-11691 was published on 2020-04-22 and last updated on 2026-06-17.

References

https://blog.jetbrains.com/blog/2020/04/22/jetbrains-security-bulletin-q1-2020/

Affected products (1)

cpe:2.3:a:jetbrains:hub:*:*:*:*:*:*:*:*

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