CVE-2021-26086

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

16/08/2021

Last modified:

24/10/2025

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:atlassian:jira_data_center::::::::		8.5.14 (excluding)
cpe:2.3:a:atlassian:jira_data_center::::::::	8.6.0 (including)	8.13.6 (excluding)
cpe:2.3:a:atlassian:jira_data_center::::::::	8.14.0 (including)	8.16.1 (excluding)
cpe:2.3:a:atlassian:jira_server::::::::		8.5.14 (excluding)
cpe:2.3:a:atlassian:jira_server::::::::	8.6.0 (including)	8.13.6 (excluding)
cpe:2.3:a:atlassian:jira_server::::::::	8.14.0 (including)	8.16.1 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-26086

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools