CVE-2020-29445

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-07 · updated 2026-06-17
Weakness: CWE-918

Description

Affected versions of Confluence Server before 7.4.8, and versions from 7.5.0 before 7.11.0 allow attackers to identify internal hosts and ports via a blind server-side request forgery vulnerability in Team Calendars parameters.

Affected products

Atlassian Confluence Data Center: before 7.4.8; from 7.5.0 before 7.11.0 — fixed in 7.11.0, 7.4.8

How to fix

Upgrade to a fixed version: Atlassian Confluence Data Center 7.11.0, 7.4.8. Check the vendor advisory for mitigations.

References

https://jira.atlassian.com/browse/CONFSERVER-61453
https://jira.atlassian.com/browse/CONFSERVER-61453

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