CVE-2018-13400

Severity: medium (CVSS 4.7 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-23 · updated 2026-06-17
Weakness: CWE-269

Description

Several administrative resources in Atlassian Jira before version 7.6.9, from version 7.7.0 before version 7.7.5, from version 7.8.0 before version 7.8.5, from version 7.9.0 before version 7.9.3, from version 7.10.0 before version 7.10.3, from version 7.11.0 before version 7.11.3, from version 7.12.0 before version 7.12.3, and before version 7.13.1 allow remote attackers who have obtained access to administrator's session to access certain administrative resources without needing to re-authenticate to pass "WebSudo" through an improper access control vulnerability.

Affected products

Atlassian Jira: before 7.6.9 — fixed in 7.6.9
Atlassian Jira: from 7.7.0 before 7.7.5; from 7.8.0 before 7.8.5; from 7.9.0 before 7.9.3; from 7.10.0 before 7.10.3; from 7.11.0 before 7.11.3; from 7.12.0 before 7.12.3 — fixed in 7.10.3, 7.11.3, 7.12.3, 7.13.1, 7.7.5, 7.8.5

How to fix

Upgrade to a fixed version: Atlassian Jira 7.6.9; Atlassian Jira 7.10.3, 7.11.3, 7.12.3, 7.13.1. Check the vendor advisory for mitigations.

References

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