Vulnerability Name:

CVE-2020-9440 (CCN-177487)

Assigned:2020-02-28
Published:2020-02-28
Updated:2022-05-24
Summary:A cross-site scripting (XSS) vulnerability in the WSC plugin through 5.5.7.5 for CKEditor 4 allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2020-9440

Source: CCN
Type: CKEditor Web site
CKEditor 4.14 with Paste from LibreOffice released

Source: MISC
Type: Vendor Advisory
https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed

Source: XF
Type: UNKNOWN
ckeditor-cve20209440-xss(177487)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-8d5de93970

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-a832c215bf

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-261449d821

Source: CCN
Type: IBM Security Bulletin 6520510 (Cognos Analytics)
IBM Cognos Analytics has addressed multiple vulnerabilities

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-9440

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ckeditor:ckeditor:4.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:webspellchecker:webspellchecker:*:*:*:*:*:*:*:* (Version <= 5.5.7.5)

    • Configuration 3:
  • cpe:/o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ckeditor:ckeditor:4.0:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:cognos_analytics:11.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cognos_analytics:11.1.7:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:202094400000000
    V
    		CVE-2020-9440 on Ubuntu 18.04 LTS (bionic) - medium.
    2020-03-10
    oval:com.ubuntu.xenial:def:202094400000000
    V
    		CVE-2020-9440 on Ubuntu 16.04 LTS (xenial) - medium.
    2020-03-10
    BACK
    ckeditor ckeditor 4.0
    webspellchecker webspellchecker *
    fedoraproject fedora 30
    fedoraproject fedora 31
    fedoraproject fedora 32
    ckeditor ckeditor 4.0
    ibm cognos analytics 11.2.0
    ibm cognos analytics 11.1.7