How severe is CVE-2021-30482?

CVE-2021-30482 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 high, integrity none, and availability none.

Is CVE-2021-30482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30482?

CVE-2021-30482 affects Jetbrains Upsource. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-30482?

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-2021-30482 published?

CVE-2021-30482 was published on 2021-05-11 and last updated on 2026-06-17.

CVE-2021-30482

CVE-2021-30482 is a high-severity vulnerability in Jetbrains Upsource 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. The underlying weakness is classified as CWE-281.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Jetbrains Upsource
Published: 2021-05-11
Last modified: 2026-06-17

Description

In JetBrains UpSource before 2020.1.1883, application passwords were not revoked correctly

Frequently asked questions

What is CVE-2021-30482?: In JetBrains UpSource before 2020.1.1883, application passwords were not revoked correctly
How severe is CVE-2021-30482?: CVE-2021-30482 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 high, integrity none, and availability none.
Is CVE-2021-30482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30482?: CVE-2021-30482 affects Jetbrains Upsource. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-30482?: 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-2021-30482 published?: CVE-2021-30482 was published on 2021-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jetbrains:upsource:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Upsource

CVE-2019-12157 — Critical (CVSS 9.8): In JetBrains UpSource versions before 2018.2 build 1293, there is credential disclosure via RPC commands.
CVE-2019-19704 — High (CVSS 7.5): In JetBrains Upsource before 2020.1, information disclosure is possible because of an incorrect user matching algorithm.
CVE-2019-14961 — Medium (CVSS 6.1): JetBrains Upsource before 2019.1.1412 was not properly escaping HTML tags in a code block comments, leading to XSS.
CVE-2019-12156 — Medium (CVSS 5.3): Server metadata could be exposed because one of the error messages reflected the whole response back to the client in…

All CVEs affecting Jetbrains Upsource →

Other CWE-281 (Improper Preservation of Permissions) vulnerabilities

CVE-2024-36532 — Critical (CVSS 10.0): Insecure permissions in kruise v1.6.2 allows attackers to access sensitive data and escalate privileges by obtaining…
CVE-2024-56973 — Critical (CVSS 9.8): Insecure Permissions vulnerability in Alvaria, Inc Unified IP Unified Director before v.7.2SP2 allows a remote attacker…
CVE-2024-46622 — Critical (CVSS 9.8): An Escalation of Privilege security vulnerability was found in SecureAge Security Suite software 7.0.x before 7.0.38,…
CVE-2024-55507 — Critical (CVSS 9.8): An issue in CodeAstro Complaint Management System v.1.0 allows a remote attacker to escalate privileges via the…
CVE-2024-54465 — Critical (CVSS 9.8): A logic issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.2. An app may be…
CVE-2024-41650 — Critical (CVSS 9.8): Insecure Permissions vulnerability in Open Robotics Robotic Operating System 2 ROS2 navigation2 v.humble allows an…

Browse all CWE-281 (Improper Preservation of Permissions) vulnerabilities →