CVE-2018-20233

Name: CVE-2018-20233
Creator: NVD / NIST
Published: 2019-01-18T21:29:00.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.82%

Last modified Jun 17, 2026

CVE-2018-20233 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.82%

76.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Atlassian	Universal Plugin Manager	< 2.22.14

References

http://www.securityfocus.com/bid/106661Third Party Advisory, VDB Entry
https://ecosystem.atlassian.net/browse/UPM-5964Issue Tracking, Vendor Advisory
http://www.securityfocus.com/bid/106661Third Party Advisory, VDB Entry
https://ecosystem.atlassian.net/browse/UPM-5964Issue Tracking, Vendor Advisory

Timeline

Published: Jan 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20233?

How severe is CVE-2018-20233?

Severity scoring for CVE-2018-20233 is pending analysis. The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20233?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST