Vulnerability Name:

CVE-2021-37156 (CCN-206896)

Assigned:2021-07-21
Published:2021-07-21
Updated:2021-08-12
Summary:Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor authentication for the user's account, but the intended behavior is for those sessions to be terminated.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-613
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-37156

Source: XF
Type: UNKNOWN
redmine-cve202137156-sec-bypass(206896)

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.redmine.org/news/132

Source: CCN
Type: Redmine Security Advisories
Redmine Security Advisories

Source: MISC
Type: Vendor Advisory
https://www.redmine.org/projects/redmine/wiki/Security_Advisories

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redmine:redmine:4.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:redmine:redmine:4.2.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:redmine:redmine:4.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:redmine:redmine:4.2.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    redmine redmine 4.2.0
    redmine redmine 4.2.1
    redmine redmine 4.2.0
    redmine redmine 4.2.1