Vulnerability Details : CVE-2021-40848
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.
Products affected by CVE-2021-40848
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:21.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mahara:mahara:21.10.0:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40848
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40848
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-40848
-
The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40848
-
https://bugs.launchpad.net/mahara/+bug/1930471
Bug #1930471 “Exporting of CSV files needs to sanitize data” : Bugs : MaharaVendor Advisory
-
https://mahara.org/interaction/forum/topic.php?id=8950
Security Announcements - Exported CSV files could contain bad character syntax in Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0 - Mahara ePortfolio SystemVendor Advisory
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