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.
Published 2019-01-18 21:29:00
Updated 2019-02-06 18:15:37
Source Atlassian
View at NVD,   CVE.org
Vulnerability category: XML external entity (XXE) injectionDenial of service

Products affected by CVE-2018-20233

Exploit prediction scoring system (EPSS) score for CVE-2018-20233

0.26%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-20233

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:P
8.0
4.9
NIST
6.5
MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
1.2
5.2
NIST

CWE ids for CVE-2018-20233

  • The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-20233

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