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CVE-2021-41243

CRITICAL
Published 2021-11-26T17:55:09
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CVSS Score

V3.1
9.1
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.024
probability
of exploitation in the wild

There is a 2.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.843
Higher than 84.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
LOW

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

baserproject

basercms

Affected Versions:

< 4.5.4

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

OS Command Injection Vulnerability and Potential Zip Slip Vulnerability in baserCMS

GHSA-7rpc-9m88-cf9w

Advisory Details

There is an OS Command Injection Vulnerability on the management system of baserCMS. 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. Target baserCMS 4.5.3 and earlier versions Vulnerability OS Command Injection Vulnerability. Countermeasures Update to the latest version of baserCMS Credits Akagi Yusuke @NTT-ME

Affected Packages

Packagist baserproject/basercms
ECOSYSTEM: ≥0 <4.5.4

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

WEB https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-41243
WEB https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff
PACKAGE https://github.com/baserproject/basercms

Advisory provided by GitHub Security Advisory Database. Published: December 1, 2021, Modified: December 1, 2021

References

https://github.com/baserproject/basercms/security/advisories/GHSA-7rpc-9m88-cf9w
https://github.com/baserproject/basercms/commit/9088b99c329d1faff3a2f1269f37b9a9d8d5f6ff
Published: 2021-11-26T17:55:09
Last Modified: 2024-08-04T03:08:31.498Z
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