CVE-2021-26069 : Affected versions of Atlassian Jira Server and Data Center allow unauthenticated

Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the /rest/api/1.0/issues/{id}/ActionsAndOperations API endpoint. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Published 2021-03-22 05:15:12

Updated 2022-03-30 13:29:20

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2021-26069

Atlassian » Jira
Versions before (<) 8.5.11
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Data Center
Versions from including (>=) 8.6.0 and before (<) 8.13.3
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Data Center
Versions before (<) 8.5.11
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.6.0 and before (<) 8.13.3
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Server
Versions from including (>=) 8.14.0 and before (<) 8.15.0
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
Matching versions
Atlassian » Jira Data Center
Versions from including (>=) 8.14.0 and before (<) 8.15.0
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2021-26069

Top countries where our scanners detected CVE-2021-26069

Top open port discovered on systems with this issue 80

IPs affected by CVE-2021-26069 3,898

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2021-26069!

^*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-2021-26069

EPSS FAQ

0.21%

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

~ 59 %

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

CVSS scores for CVE-2021-26069

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2021-26069

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-2021-26069

https://jira.atlassian.com/browse/JRASERVER-72010

[JRASERVER-72010] Unauthenticated information leakage of temporary files and project keys - CVE-2021-26069 - Create and track feature requests for Atlassian products.
Issue Tracking;Patch;Vendor Advisory