CVE-2021-41243

OS Command Injection Vulnerability and Potential Zip Slip Vulnerability

Description

There is a Potential Zip Slip Vulnerability and OS Command Injection Vulnerability on the management system of baserCMS. Users with permissions to upload files may upload crafted zip files which may execute arbitrary commands on the host operating system. This is a vulnerability that needs to be addressed when the management system is used by an unspecified number of users. If you are eligible, please update to the new version as soon as possible.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.38% Top 20%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: baserproject basercms
Published at:
Updated at:

References

Link Tags
https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w third party advisory
https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-41243?
CVE-2021-41243 has been scored as a critical severity vulnerability.
How to fix CVE-2021-41243?
To fix CVE-2021-41243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41243 being actively exploited in the wild?
It is possible that CVE-2021-41243 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41243?
CVE-2021-41243 affects baserproject basercms.
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