Vulnerability identifier: #VU46581

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-23811

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xxl-job
Server applications / Frameworks for developing and running applications

Vendor: xuxueli

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the "job/admin/controller/UserController.java". A remote attacker can gain unauthorized access to sensitive information on the system, such as username, model and password.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xxl-job: 2.2.0

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External links
http://www.ccsq8.com/issues.html
http://github.com/xuxueli/xxl-job/releases/tag/2.3.0

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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