Vulnerability · Published Apr 1, 2021 · Assigned by atlassian

CVE-2021-26072

Medium 4.3

In plain English

A medium-severity security flaw in Confluence Data Center from Atlassian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 41.2% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)41.2%top 1.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei

Official 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.

Affected products (as reported)

VendorProductVersions
Atlassian Confluence Server unspecified – before 5.8.6
Atlassian Confluence Data Center unspecified – before 5.8.6

References