Vulnerability Name:

CVE-2021-33507 (CCN-202355)

Assigned:2021-05-21
Published:2021-05-21
Updated:2021-05-27
Summary:Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS.
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-2021-33507

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20210522 Re: Plone security hotfix 20210518

Source: XF
Type: UNKNOWN
plonecms-cve202133507-xss(202355)

Source: CCN
Type: Plone Web site
Plone

Source: MISC
Type: Vendor Advisory
https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots

Source: CCN
Type: oss-sec Mailing List, Sat, 22 May 2021 13:34:10 +0200
Re: Plone security hotfix 20210518

Vulnerable Configuration:Configuration 1:
  • cpe:/a:plone:plone:*:*:*:*:*:*:*:* (Version <= 4.3.20)
  • OR cpe:/a:plone:plone:*:*:*:*:*:*:*:* (Version >= 5.0 and <= 5.2.4)
  • OR cpe:/a:zope:zope:*:*:*:*:*:*:*:* (Version < 2.5.1)

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