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CVE-2020-9591: Magento defense-in-depth security mitigation vulnerability

7.5

CVSS Score
3.1

Basic Information

EPSS Score
0.79095%
Published
5/24/2022
Updated
1/11/2024
KEV Status
No
Technology
TechnologyPHP

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
magento/community-editioncomposer>= 2.3.0, < 2.3.4-p22.3.4-p2
magento/community-editioncomposer<= 2.2.11
magento/corecomposer< 1.9.4.51.9.4.5

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability relates to defense-in-depth failures in admin panel access control. CWE-200 (sensitive information exposure) suggests authentication/authorization bypass vectors.

  1. _processUrlKeys is critical for validating secret keys in admin URLs. A flawed implementation could allow attackers to bypass the secret key requirement (a defense-in-depth layer).
  2. The authentication plugin's aroundDispatch method is central to admin session validation. While the high-confidence entry focuses on the URL key validation (directly tied to the 'defense-in-depth' description), the session validation mechanism is a secondary candidate given the unauthorized access impact.

These conclusions align with Magento's security architecture and the vulnerability's nature, though exact patch details are unavailable for full confirmation.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

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Reasoning

T** vuln*r**ility r*l*t*s to ****ns*-in-**pt* **ilur*s in **min p*n*l ****ss *ontrol. *W*-*** (s*nsitiv* in*orm*tion *xposur*) su***sts *ut**nti**tion/*ut*oriz*tion *yp*ss v**tors. *. _pro**ssUrlK*ys is *riti**l *or v*li**tin* s**r*t k*ys in **min