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[email protected]CVE-2020-8165

HistoryJun 19, 2020 - 6:15 p.m.

CVE-2020-8165

2020-06-1918:15:11

CWE-502

[email protected]

web.nvd.nist.gov

177

cve-2020-8165

deserialization

untrusted data

rails

vulnernerability

rce

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

9.1 High

AI Score

Confidence

High

0.666 Medium

EPSS

Percentile

97.9%

JSON

A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.

Affected configurations

NVD

Node

rubyonrailsrailsRange<5.2.4.3

rubyonrailsrailsRange6.0.0–6.0.3.1

Node

debiandebian_linuxMatch8.0

debiandebian_linuxMatch9.0

debiandebian_linuxMatch10.0

Node

opensuseleapMatch15.1

opensuseleapMatch15.2

CPENameOperatorVersion
rubyonrails:railsrubyonrails railslt5.2.4.3
rubyonrails:railsrubyonrails railslt6.0.3.1

CPE	Name	Operator	Version
rubyonrails:rails	rubyonrails rails	lt	5.2.4.3
rubyonrails:rails	rubyonrails rails	lt	6.0.3.1

CNA Affected

[
  {
    "product": "https://github.com/rails/rails",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 5.2.4.3, 6.0.3.1"
      }
    ]
  }
]