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CVE-2018-0573: baserCMS Access Control Bypass

5.3

CVSS Score
3.0

Basic Information

EPSS Score
0.39431%
Published
5/13/2022
Updated
7/6/2023
KEV Status
No
Technology
TechnologyPHP

Technical Details

CVSS Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Package NameEcosystemVulnerable VersionsFirst Patched Version
baserproject/basercmscomposer<= 3.0.153.0.16
baserproject/basercmscomposer>= 4.0.0, <= 4.1.0.14.1.1

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

The vulnerability (CVE-2018-0573) involves improper access control checks for uploaded files, but the provided data lacks specific code references, commit diffs, or patch details. The advisory describes the issue as an access restriction bypass in content/file management, likely due to missing authorization checks in file-serving logic. However, without concrete evidence of the affected functions (e.g., controller methods handling file access, or permission validation routines), we cannot confidently identify specific vulnerable functions. The vendor's mitigation advice focuses on proper installation and version updates, but does not explicitly name functions. The CWE-269 classification suggests privilege management flaws, but insufficient implementation details prevent precise function-level attribution.

Vulnerable functions

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WAF Protection Rules

WAF Rule

**s*r*MS (**s*r*MS *.*.*.* *n* **rli*r v*rsions, **s*r*MS *.*.** *n* **rli*r v*rsions) *llows r*mot* *tt**k*rs to *yp*ss ****ss r*stri*tion *or * *ont*nt to vi*w * *il* w*i** is uplo**** *y * sit* us*r vi* unsp**i*i** v**tors.

Reasoning

T** vuln*r**ility (*V*-****-****) involv*s improp*r ****ss *ontrol ****ks *or uplo**** *il*s, *ut t** provi*** **t* l**ks sp**i*i* *o** r***r*n**s, *ommit *i**s, or p*t** **t*ils. T** **visory **s*ri**s t** issu* *s *n ****ss r*stri*tion *yp*ss in *o