CVE-2021-40848

HIGH
Published Nov 3, 20214y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Nov 3, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain characters that a spreadsheet program could interpret as a command, leading to execution of a malicious string locally on a device, aka CSV injection.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1236

Affected Products 5

VendorProductVersionRange
maharamahara* <20.04.5
maharamahara*≥20.10.0  –  <20.10.3
maharamahara*≥21.04.0  –  <21.04.2
maharamahara21.10.0any
maharamahara21.10.0any

References 2

  • bugs.launchpad.net https://bugs.launchpad.net/mahara/+bug/1930471
    Vendor Advisory
  • mahara.org https://mahara.org/interaction/forum/topic.php?id=8950
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.