CVE-2018-20233

Description

The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows remote attackers who have system administrator privileges to read files, make network requests and perform a denial of service attack via an XML External Entity vulnerability in the parsing of atlassian plugin xml files in an uploaded JAR.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.77% Top 30%
Vendor Advisory atlassian.net
Affected: Atlassian Universal Plugin Manager
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106661 third party advisory vdb entry
https://ecosystem.atlassian.net/browse/UPM-5964 vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2018-20233?
CVE-2018-20233 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20233?
To fix CVE-2018-20233, 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-2018-20233 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-20233 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-20233?
CVE-2018-20233 affects Atlassian Universal Plugin Manager.
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