CVE-2018-20233
The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-20233- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-20233- Updated
- 2026-11-02
EUVDEUVD-2018-12799 No score
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.
- Record
EUVD-2018-12799- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5cjw-7jcv-34jx
The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows...
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.
- Record
GHSA-5cjw-7jcv-34jx- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20233 is a medium vulnerability (CVSS 6.5) in Atlassian Universal Plugin Manager, published January 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.