Authorization bypass in October CMS

1) Improper Authorization

EUVDB-ID: #VU32948

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15128

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

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

The vulnerability exists due to the application does not tie encrypted cookie value to cookie name. If the attacker is able to obtain encrypted cookies, it is possible to decrypt that information by supplying the encrypted cookie to the application and letting the application to decrypt it.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.319 - 1.0.467

External links

http://github.com/octobercms/october/security/advisories/GHSA-55mm-5399-7r63/

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.