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[email protected]CVE-2021-22967

HistoryNov 19, 2021 - 7:15 p.m.

CVE-2021-22967

2021-11-1919:15:08

CWE-639

[email protected]

web.nvd.nist.gov

cve

2021

22967

concrete cms

security

idor

unauthenticated

access

restricted files

cvssv3.1

adrian h

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.9%

JSON

In Concrete CMS (formerly concrete 5) below 8.5.7, IDOR Allows Unauthenticated User to Access Restricted Files If Allowed to Add Message to a Conversation.To remediate this, a check was added to verify a user has permissions to view files before attaching the files to a message in "add / edit message”.Concrete CMS security team gave this a CVSS v3.1 score of 4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCredit for discovery Adrian H

Affected configurations

NVD

Node

concretecmsconcrete_cmsRange<8.5.7

CPENameOperatorVersion
concretecms:concrete_cmsconcretecms concrete cmslt8.5.7

CPE	Name	Operator	Version
concretecms:concrete_cms	concretecms concrete cms	lt	8.5.7

CNA Affected

[
  {
    "product": "https://github.com/concrete5/concrete5",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Affected version - Concrete 8.5.6 and below. Fixed version 9.0 and 8.5.7"
      }
    ]
  }
]