CVE-2019-20409 : The way in which velocity templates were used in Atlassian Jira Server and Data

The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.0 allowed remote attackers to gain remote code execution if they were able to exploit a server side template injection vulnerability.

Published 2020-06-23 06:15:12

Updated 2020-07-06 15:00:19

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2019-20409

Atlassian » Jira
Versions before (<) 8.8.0
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Software Data Center
Versions before (<) 8.8.0
cpe:2.3:a:atlassian:jira_software_data_center:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2019-20409

Top countries where our scanners detected CVE-2019-20409

Top open port discovered on systems with this issue 80

IPs affected by CVE-2019-20409 4,030

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-20409!

^*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-2019-20409

EPSS FAQ

3.48%

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

~ 87 %

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

CVSS scores for CVE-2019-20409

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-20409

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-20409

https://jira.atlassian.com/browse/JRASERVER-70944

[JRASERVER-70944] Make use of Secure Introspector in Velocity Templates - CVE-2019-20409 - Create and track feature requests for Atlassian products.
Issue Tracking;Vendor Advisory