Improper authorization in Atlassian JIRA

Published: 2019-08-09 | Updated: 2019-09-25

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2018-20826
CWE-ID	CWE-285
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Jira Software Client/Desktop applications / Other client software
Vendor	Atlassian

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU21187

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-20826

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass permissions on the target system.

The vulnerability exists due to missing authorisation checks in the inline-create rest resource. A remote authenticated attacker can exploit this issue and set the reporter in issues.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jira Software: 1.4.3 - 8.2.0

CPE2.3

External links

https://jira.atlassian.com/browse/JRASERVER-69239

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.