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CVE-2021-40848

HIGHCVSS 7.8/10EPSS 0.96%

Last modified

CVE-2021-40848 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
0.96%

57.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MaharaMahara< 20.04.5—
MaharaMahara>= 20.10.0, < 20.10.3—
MaharaMahara>= 21.04.0, < 21.04.2—
MaharaMahara21.10.0Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-40848?
CVE-2021-40848 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40848?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40848?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST