Medium severity · published Jan 18, 2019
CVE-2018-20233
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…
6.5
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
Universal Plugin Manager · Atlassian
before 2.22.14 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20233
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20233
Third Party Advisory
http://www.securityfocus.com/bid/106661
Issue Tracking
https://ecosystem.atlassian.net/browse/UPM-5964
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