Vulnerability Name:

CVE-2020-28734 (CCN-194147)

Assigned:2020-11-10
Published:2020-11-10
Updated:2021-01-04
Summary:Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-611
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-28734

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt

Source: XF
Type: UNKNOWN
plone-cve202028734-info-disc(194147)

Source: CCN
Type: Plone GIT Repository
Security issues in the background #3209

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/plone/Products.CMFPlone/issues/3209

Source: MISC
Type: Broken Link
https://www.misakikata.com/codes/plone/python-en.html

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-28734

Vulnerable Configuration:Configuration 1:
  • cpe:/a:plone:plone:*:*:*:*:*:*:*:* (Version < 5.2.3)

    • Configuration CCN 1:
  • cpe:/a:plone:plone:5.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    plone plone *
    plone plone 5.2.0