CVE-2021-43959

Description

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability in the CSV importing feature of JSM Insight. 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 affected versions are before version 4.13.20, from version 4.14.0 before 4.20.8, and from version 4.21.0 before 4.22.2.

Category

5.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.23%
Vendor Advisory atlassian.com
Affected: Atlassian Jira Service Management Server
Affected: Atlassian Jira Service Management Data Center
Published at:
Updated at:

References

Link Tags
https://jira.atlassian.com/browse/JSDSERVER-11898 issue tracking vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-43959?
CVE-2021-43959 has been scored as a medium severity vulnerability.
How to fix CVE-2021-43959?
To fix CVE-2021-43959, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43959 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43959 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43959?
CVE-2021-43959 affects Atlassian Jira Service Management Server, Atlassian Jira Service Management Data Center.
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