CVE-2021-29091 Explained : Impact and Mitigation
Discover the details of CVE-2021-29091, a critical Path Traversal vulnerability in Synology Photo Station allowing remote authenticated users to write arbitrary files. Learn about the impact, affected versions, and mitigation steps.
A Path Traversal vulnerability was discovered in Synology Photo Station before version 6.8.14-3500. This vulnerability may allow remote authenticated users to write arbitrary files, potentially leading to unauthorized access and data manipulation.
Understanding CVE-2021-29091
This CVE is related to an improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in the file management component of Synology Photo Station.
What is CVE-2021-29091?
The CVE-2021-29091 vulnerability in Synology Photo Station allows remote authenticated users to write arbitrary files via unspecified vectors.
The Impact of CVE-2021-29091
The impact of this vulnerability is rated as HIGH with a base score of 7.7. While the confidentiality impact is considered NONE, the integrity impact is HIGH.
Technical Details of CVE-2021-29091
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises due to improper limitation of a pathname to a restricted directory, potentially enabling users to write arbitrary files.
Affected Systems and Versions
Synology Photo Station versions prior to 6.8.14-3500 are affected by this vulnerability.
Exploitation Mechanism
Remote authenticated users can exploit this vulnerability through unspecified vectors, allowing them to write arbitrary files.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-29091, immediate steps should be taken and long-term security practices established.
Immediate Steps to Take
Users are advised to update Synology Photo Station to version 6.8.14-3500 or later to patch the vulnerability.
Long-Term Security Practices
Implement access controls, monitor file activities, and conduct regular security audits to prevent unauthorized access and data manipulation.
Patching and Updates
Regularly check for software updates and security advisories from Synology to address potential vulnerabilities and ensure the security of your systems.