CVE-2020-4021 : Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Ji

Affected versions are: Before 8.5.5, and from 8.6.0 before 8.8.1 of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the XML export view.

Published 2020-06-01 07:15:11

Updated 2022-03-30 13:21:58

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2020-4021

Atlassian » Jira
Versions before (<) 7.13.16
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Software Data Center
Versions before (<) 7.13.16
cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.6.0 and before (<) 8.8.1
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.0.0 and before (<) 8.5.5
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Data Center
Versions from including (>=) 8.6.0 and before (<) 8.8.1
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Data Center
Versions from including (>=) 8.0.0 and before (<) 8.5.5
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2020-4021

Top countries where our scanners detected CVE-2020-4021

Top open port discovered on systems with this issue 80

IPs affected by CVE-2020-4021 3,400

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-4021!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-4021

EPSS FAQ

0.34%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 56 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-4021

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2020-4021

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-4021

https://jira.atlassian.com/browse/JRASERVER-70923

[JRASERVER-70923] XSS in XML export view - CVE-2020-4021 - Create and track feature requests for Atlassian products.
Issue Tracking;Vendor Advisory