Details
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Public Security Vulnerability
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Resolution: Fixed
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Low
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5.7.4
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None
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4.3
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Medium
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CVE-2021-26072
Description
Affected versions of Atlassian Confluence Server allow remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability in the widgetconnector plugin.
When running in an environment like Amazon EC2, this flaw may be used to access to a metadata resource that provides access credentials and other potentially confidential information.
The patch is deployed by configuring the Confluence URL allow list. N.B: The allowlist is enabled by default. But the fixed versions will be vulnerable if allowlist is disabled by the administrator.
The affected versions are before version 5.8.6.
Affected versions:
- version < 5.8.6
Fixed versions:
- 5.8.6
This is an independent assessment and you should evaluate its applicability to your own IT environment.
CVSS v3 score: 4.3 => Medium severity
Exploitability Metrics
| Attack Vector | Network |
|---|---|
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
Scope Metric
| Scope | Unchanged |
|---|
Impact Metrics
| Confidentiality | Low |
|---|---|
| Integrity | None |
| Availability | None |
See http://go.atlassian.com/cvss for more details.
https://asecurityteam.bitbucket.io/cvss_v3/#CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attachments
Issue Links
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