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[email protected]CVE-2021-22951

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

CVE-2021-22951

2021-11-1919:15:08

CWE-639

[email protected]

web.nvd.nist.gov

cve-2021-22951

concrete cms

unauthorized access

view_inline

password protected files

security vulnerability

version 8.5.7

solar security research team

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.9%

JSON

Unauthorized individuals could view password protected files using view_inline in Concrete CMS (previously concrete 5) prior to version 8.5.7. Concrete CMS now checks to see if a file has a password in view_inline and, if it does, the file is not rendered.For version 8.5.6, the following mitigations were put in place a. restricting file types for view_inline to images only b. putting a warning in the file manager to advise users.Credit for discovery: "Solar Security Research Team"Concrete CMS security team CVSS scoring is 5.3: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NThis fix is also in Concrete version 9.0.0

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": "Fixed version Concrete CMS 8.5.7 and 9.0"
      }
    ]
  }
]