CVE-2020-4027

At a glance

Severity: Not available
EPSS: EPSS 1.52 % · percentile 74 (2026-10-27)
State: PUBLISHED
Published: 2020-07-01
Updated: 2024-09-17
Assigner: atlassian
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-74

European references

ENISA EUVD · EUVD-2020-25292
GCVE · GCVE-0-2020-4027

Affected configurations (NVD CPE)

cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:* < 7.4.5
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* ≥ 7.5.0 < 7.5.1

Affected products

Product	Versions
Atlassian · Confluence Server	affected unspecified < 7.4.5 ; affected 7.5.0 < unspecified ; affected unspecified < 7.5.1
Atlassian · Confluence Data Center	affected unspecified < 7.4.5 ; affected 7.5.0 < unspecified ; affected unspecified < 7.5.1

References

https://jira.atlassian.com/browse/CONFSERVER-59898

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD