Improper Authentication in Argo CD tool for Kubernetes



Published: 2020-04-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8827
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Argo CD
Web applications / Modules and components for CMS

Vendor Argo

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU27018

Risk: Medium

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

CVE-ID: CVE-2020-8827

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. A remote attacker can submit an unlimited number of authentication attempts without consequence, bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 1.0.0 - 1.5.0

External links

http://argoproj.github.io/argo-cd/operator-manual/user-management/#disable-admin-user
http://argoproj.github.io/argo-cd/security_considerations/
http://github.com/argoproj/argo/releases
http://www.soluble.ai/blog/argo-cves-2020


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.



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