Cyber Resilience

CVE-2020-29445

Medium

Published: 07 May 2021

Published
07 May 2021
Modified
12 February 2025
KEV Added
Patch
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 0.0022 44.4th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-29445 is a medium-severity SSRF (CWE-918) vulnerability in Atlassian Confluence Server. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 44.4th 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 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.

CWE(s)

Related Threats

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

Affected Assets

atlassian
confluence server
≤ 7.4.8 · 7.5.0 — 7.11.0

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.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References