CVE-2021-26070 : Affected versions of Atlassian Jira Server and Data Center allow remote attacker

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked resources via a Broken Authentication vulnerability in the `makeRequest` gadget resource. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.

Published 2021-03-22 05:15:13

Updated 2022-03-25 18:14:28

Source Atlassian

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-26070

Atlassian » Jira
Versions before (<) 8.13.3
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Data Center
Versions before (<) 8.13.3
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Data Center
Versions from including (>=) 8.14.0 and before (<) 8.14.1
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.14.0 and before (<) 8.14.1
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2021-26070

Top countries where our scanners detected CVE-2021-26070

Top open port discovered on systems with this issue 80

IPs affected by CVE-2021-26070 5,162

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2021-26070!

^*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-2021-26070

EPSS FAQ

0.91%

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

~ 75 %

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

CVSS scores for CVE-2021-26070

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:P/A:N	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N	3.9	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-26070

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-26070

https://jira.atlassian.com/browse/JRASERVER-72029

[JRASERVER-72029] Gadget resource makeRequest defeats behind-the-firewall protection of app-linked resources - CVE-2021-26079 - Create and track feature requests for Atlassian products.
Vendor Advisory