How severe is CVE-2021-37541?

CVE-2021-37541 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-37541 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37541?

CVE-2021-37541 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37541?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-37541 published?

CVE-2021-37541 was published on 2021-08-06 and last updated on 2026-06-17.

CVE-2021-37541

CVE-2021-37541 is a medium-severity vulnerability in Jetbrains Hub with a CVSS 3.x base score of 6.1. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Jetbrains Hub
Published: 2021-08-06
Last modified: 2026-06-17

Description

In JetBrains Hub before 2021.1.13402, HTML injection in the password reset email was possible.

Frequently asked questions

What is CVE-2021-37541?: In JetBrains Hub before 2021.1.13402, HTML injection in the password reset email was possible.
How severe is CVE-2021-37541?: CVE-2021-37541 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-37541 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37541?: CVE-2021-37541 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37541?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-37541 published?: CVE-2021-37541 was published on 2021-08-06 and last updated on 2026-06-17.

References

https://blog.jetbrains.com/blog/2021/08/05/jetbrains-security-bulletin-q2-2021/

Affected products (1)

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

More vulnerabilities in Jetbrains Hub

CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
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CVE-2026-56141 — Critical (CVSS 9.8): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 account…
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CVE-2021-36209 — Critical (CVSS 9.8): In JetBrains Hub before 2021.1.13389, account takeover was possible during password reset.

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