Vulnerability CVE-2021-43266

Vulnerability Name:

CVE-2021-43266 (CCN-212679)

Assigned:

2021-09-07

Published:

2021-09-07

Updated:

2022-05-03

Summary:

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exporting collections via PDF export could lead to code execution via shell metacharacters in a collection name. Additional, in Mahara before 20.10.4, 21.04.3, and 21.10.1, exporting collections via PDF export could cause code execution

CVSS v3 Severity:

7.3 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
6.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.6 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

4.6 Medium (CVSS v2 Vector: AV:N/AC:H/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High 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:H/Au:M/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): Multiple_Instances
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete