CVE-2021-43944 : This issue exists to document that a security improvement in the way that Jira S

This issue exists to document that a security improvement in the way that Jira Server and Data Center use templates has been implemented. Affected versions of Atlassian Jira Server and Data Center allowed remote attackers with system administrator permissions to execute arbitrary code via Template Injection leading to Remote Code Execution (RCE) in the Email Templates feature. The affected versions are before version 8.13.15, and from version 8.14.0 before 8.20.3.

Published 2022-03-08 02:15:07

Updated 2024-10-07 19:36:12

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2021-43944

Atlassian » Jira Server
Versions before (<) 8.13.15
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.14.0 and before (<) 8.20.3
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Data Center
Versions before (<) 8.13.15
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Data Center
Versions from including (>=) 8.14.0 and before (<) 8.20.3
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2021-43944

Top countries where our scanners detected CVE-2021-43944

Top open port discovered on systems with this issue 443

IPs affected by CVE-2021-43944 439

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2021-43944!

^*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-2021-43944

EPSS FAQ

0.13%

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

~ 48 %

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

CVSS scores for CVE-2021-43944

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	134c704f-9b21-4f2e-91b3-4a467353bcc0	2024-10-07
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-43944

CWE-94 Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)

References for CVE-2021-43944

https://jira.atlassian.com/browse/JRASERVER-73072

[JRASERVER-73072] Template Injection in Email Templates leads to code execution on Jira Service Management Server - CVE-2021-43944 - Create and track feature requests for Atlassian products.
Issue Tracking;Vendor Advisory