Cyber Resilience

CVE-2020-36231

Medium

Published: 02 February 2021

Published
02 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0014 33.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-36231 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Atlassian Jira Data Center. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 33.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to view the metadata of boards they should not have access to via an Insecure Direct Object References (IDOR) vulnerability. The affected versions are before version 8.5.10, and…

more

from version 8.6.0 before 8.13.2.

CWE(s)
CWE-639

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

atlassian
jira
≤ 8.5.10
atlassian
jira data center
8.13.3 · 8.6.0 — 8.13.2
atlassian
jira server
8.13.3 · 8.6.0 — 8.13.2
atlassian
jira software data center
≤ 8.5.10

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References