CVE-2021-25979 : Exploit Details and Defense Strategies
Discover the critical vulnerability in Apostrophe CMS versions prior to 3.3.1 with CVE-2021-25979. Learn about the impact, affected systems, and mitigation steps to safeguard your devices.
Apostrophe CMS versions prior to 3.3.1 had a security issue where existing login sessions were not invalidated when disabling a user account or changing the password. This vulnerability could allow a compromised device to remain accessible by a third party even after taking action to lock it out.
Understanding CVE-2021-25979
Apostrophe CMS versions before 3.3.1 did not properly handle session expiration, posing a critical security risk.
What is CVE-2021-25979?
CVE-2021-25979, also known as Apostrophe - Insufficient Session Expiration, is a vulnerability in Apostrophe CMS versions prior to 3.3.1 that could allow unauthorized access to compromised devices.
The Impact of CVE-2021-25979
The impact of this CVE is rated as Critical with a CVSS base score of 9.8, highlighting the severity of the security issue. It could lead to high confidentiality and integrity impacts with no privileges required for exploitation.
Technical Details of CVE-2021-25979
A deeper look into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from Apostrophe CMS failing to invalidate existing login sessions, enabling unauthorized access following user account modifications.
Affected Systems and Versions
Apostrophe CMS versions less than or equal to 3.3.1 and greater than or equal to 2.63.0 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited over a network with low attack complexity, resulting in a high impact on availability, confidentiality, and integrity.
Mitigation and Prevention
Actions to mitigate the risks associated with CVE-2021-25979.
Immediate Steps to Take
To address the vulnerability, users are advised to upgrade to version 3.4.0 to prevent unauthorized access through session expiration issues.
Long-Term Security Practices
Implement robust session management practices and ensure timely software updates to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly update Apostrophe CMS to the latest version to patch security vulnerabilities and strengthen system security.