CVE-2021-45268

CVSS V2 Medium 6.8 CVSS V3 High 8.8
Description
** DISPUTED ** A Cross Site Request Forgery (CSRF) vulnerability exists in Backdrop CMS 1.20, which allows Remote Attackers to gain Remote Code Execution (RCE) on the Hosting Webserver via uploading a maliciously add-on with crafted PHP file. NOTE: the vendor disputes this because the attack requires a session cookie of a high-privileged authenticated user who is entitled to install arbitrary add-ons.
Overview
  • CVE ID
  • CVE-2021-45268
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-03T22:15:08
  • Last Modified Date
  • 2022-02-10T06:41:33
Weakness Enumerations
CWE URL
CWE-352 http://cwe.mitre.org/data/definitions/352.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:backdropcms:backdrop:1.20.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://github.com/V1n1v131r4/CSRF-to-RCE-on-Backdrop-CMS Exploit Third Party Advisory
https://www.exploit-db.com/exploits/50323 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-45268
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45268
History
Created Old Value New Value Data Type Notes
2022-05-10 06:33:20 Added to TrackCVE
2022-12-06 08:25:49 2022-02-03T22:15Z 2022-02-03T22:15:08 CVE Published Date updated
2022-12-06 08:25:49 2022-02-10T06:41:33 CVE Modified Date updated
2022-12-06 08:25:49 Analyzed Vulnerability Status updated