CVE-2021-26072

At a glance

Severity: Not available
EPSS: EPSS 41.22 % · percentile 99 (2026-10-27)
State: PUBLISHED
Published: 2021-04-01
Updated: 2024-09-17
Assigner: atlassian
NVD status: Modified

Description

The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-918

European references

ENISA EUVD · EUVD-2021-12895
GCVE · GCVE-0-2021-26072

Affected configurations (NVD CPE)

cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* < 5.8.6
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* < 5.8.6

Affected products

Product	Versions
Atlassian · Confluence Server	affected unspecified < 5.8.6
Atlassian · Confluence Data Center	affected unspecified < 5.8.6

References

https://jira.atlassian.com/browse/CONFSERVER-61399

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