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[email protected]CVE-2021-22958

HistoryOct 07, 2021 - 2:15 p.m.

CVE-2021-22958

2021-10-0714:15:08

CWE-918

[email protected]

web.nvd.nist.gov

cve-2021-22958

server-side request forgery

concrete5

vulnerability

security

nvd

ip address

local services

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

58.8%

JSON

A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services. Impact can vary depending on services exposed.CVSSv2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected configurations

NVD

Node

concretecmsconcrete_cmsRange<8.5.5

CPENameOperatorVersion
concretecms:concrete_cmsconcretecms concrete cmslt8.5.5

CPE	Name	Operator	Version
concretecms:concrete_cms	concretecms concrete cms	lt	8.5.5

CNA Affected

[
  {
    "product": "https://github.com/concrete5/concrete5",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 8.5.5"
      }
    ]
  }
]