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CVE-2020-4027

MEDIUM
4.7
CVSS Score
Published: July 1, 2020 at 01:35 AM UTC
Updated: June 17, 2026 at 03:19 AM UTC
3 products affected across 1 vendorConfluence ServerConfluenceConfluence Data Center

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Severity
MEDIUM4.7
Exploit prediction
EPSS 2%

Description

Affected versions of Atlassian Confluence Server and Data Center allowed remote attackers with system administration permissions to bypass velocity template injection mitigations via an injection vulnerability in custom user macros. The affected versions are before version 7.4.5, and from version 7.5.0 before 7.5.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Confluence· Atlassianatlassian-app
95%
v < 7.4.5
Affected range stops below 7.4.5, so it looks safe — our inference, not a vendor statement
Confluence Server· Atlassianatlassian-app
95%
v ≥ 7.5.0v < 7.4.5v < 7.5.17.5.0 ≤ v < 7.5.17.5.0
Affected range stops below 7.4.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.5.1, so it looks safe — our inference, not a vendor statement
Confluence Data Center· Atlassianatlassian-app
60%
v ≥ 7.5.0v < 7.4.5v < 7.5.17.5.0
Affected range stops below 7.4.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.5.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCIssue TrackingPatchRelease NotesVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/CONFSERVER-59898

CVSS

4.7MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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