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[email protected]NVD:CVE-2021-22970

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

CVE-2021-22970

2021-11-1919:15:08

CWE-918

[email protected]

web.nvd.nist.gov

concrete cms

ssrf attacks

local ip importation

cvss score

security fixes

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

CVSS3

7.5

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

EPSS

0.001

Percentile

50.1%

JSON

Concrete CMS (formerly concrete5) versions 8.5.6 and below and version 9.0.0 allow local IP importing causing the system to be vulnerable toa. SSRF attacks on the private LAN servers by reading files from the local LAN. An attacker can pivot in the private LAN and exploit local network appsandb. SSRF Mitigation Bypass through DNS RebindingConcrete CMS security team gave this a CVSS score of 3.5 AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:NConcrete CMS is maintaining Concrete version 8.5.x until 1 May 2022 for security fixes.This CVE is shared with HackerOne Reports https://hackerone.com/reports/1364797 and https://hackerone.com/reports/1360016Reporters: Adrian Tiron from FORTBRIDGE (https://www.fortbridge.co.uk/ ) and Bipul Jaiswal

Affected configurations

Nvd

Node

concretecmsconcrete_cmsRange≤8.5.6

concretecmsconcrete_cmsMatch9.0

VendorProductVersionCPE
concretecmsconcrete_cms*cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*
concretecmsconcrete_cms9.0cpe:2.3:a:concretecms:concrete_cms:9.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
concretecms	concrete_cms	*	cpe:2.3:a:concretecms:concrete_cms::::::::
concretecms	concrete_cms	9.0	cpe:2.3:a:concretecms:concrete_cms:9.0:::::::*