Improper access control in Ignition



Published: 2021-11-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-43996
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Ignition
Web applications / Modules and components for CMS

Vendor facade.company

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU58392

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-43996

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the "fix variable names" feature. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ignition: 1.16.0, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.14, 2.0.0, 2.0.1, 2.0.2, 2.0.4, 2.0.5

CPE2.3 External links

http://github.com/facade/ignition/compare/1.16.14...1.16.15
http://github.com/facade/ignition/pull/285
http://github.com/facade/ignition/compare/2.0.5...2.0.6

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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