How severe is CVE-2021-43182?

CVE-2021-43182 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 none, and availability high.

Is CVE-2021-43182 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43182?

CVE-2021-43182 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43182?

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-2021-43182 published?

CVE-2021-43182 was published on 2021-11-09 and last updated on 2026-06-17.

CVE-2021-43182

CVE-2021-43182 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% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jetbrains Hub
Published: 2021-11-09
Last modified: 2026-06-17

Description

In JetBrains Hub before 2021.1.13415, a DoS via user information is possible.

Frequently asked questions

What is CVE-2021-43182?: In JetBrains Hub before 2021.1.13415, a DoS via user information is possible.
How severe is CVE-2021-43182?: CVE-2021-43182 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 none, and availability high.
Is CVE-2021-43182 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43182?: CVE-2021-43182 affects Jetbrains Hub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43182?: 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-2021-43182 published?: CVE-2021-43182 was published on 2021-11-09 and last updated on 2026-06-17.

References

https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/

Affected products (1)

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

More vulnerabilities in Jetbrains Hub

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CVE-2021-43183 — Critical (CVSS 9.8): In JetBrains Hub before 2021.1.13690, the authentication throttling mechanism could be bypassed.
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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