Medium severity · published Apr 1, 2021
CVE-2021-26072
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…
4.3
CVSS
41.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)41.2% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Confluence · Atlassian
before 5.8.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26072
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26072
Issue Tracking
https://jira.atlassian.com/browse/CONFSERVER-61399
More from Confluence
9.8
CVE-2023-22527
Atlassian Confluence Data Center and Server Template Injection Vulnerability
9.8
CVE-2023-22518
Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
9.8
CVE-2023-22515
Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
9.8
CVE-2022-26138
Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability
9.8
CVE-2022-26134
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability