CVE-2021-27774 : Exploit Details and Defense Strategies
Learn about CVE-2021-27774, an injection vulnerability affecting HCL Digital Experience, allowing user input in error responses to be exploited for phishing attacks. Understand the impact, technical details, affected systems, and mitigation steps.
An injection vulnerability affecting HCL Digital Experience has been identified, allowing user input included in error responses to be exploited in phishing attacks.
Understanding CVE-2021-27774
This CVE record details an injection vulnerability present in HCL Digital Experience that can be leveraged by threat actors for malicious purposes.
What is CVE-2021-27774?
The CVE-2021-27774 vulnerability involves the inclusion of user input in error responses, creating an avenue for potential phishing attacks targeting users of HCL Digital Experience.
The Impact of CVE-2021-27774
The impact of CVE-2021-27774 is considered low severity, with the potential for threat actors to use the vulnerability for phishing attacks, compromising the integrity of user interactions.
Technical Details of CVE-2021-27774
CVE-2021-27774 provides insights into the specific technical aspects of the vulnerability present in HCL Digital Experience.
Vulnerability Description
The vulnerability stems from user input being incorporated into error responses, creating opportunities for social engineering attacks and phishing attempts.
Affected Systems and Versions
HCL Digital Experience versions 8.5, 9.0, and 9.5 are impacted by CVE-2021-27774, making users of these versions susceptible to exploitation.
Exploitation Mechanism
Threat actors can manipulate the user input included in error responses to craft convincing phishing messages, leveraging this vulnerability for social engineering attacks.
Mitigation and Prevention
Addressing CVE-2021-27774 requires a proactive approach to mitigate risks and enhance the security posture of HCL Digital Experience users.
Immediate Steps to Take
Users are advised to implement security best practices, including avoiding interactions with suspicious links or emails to mitigate the risk of falling victim to phishing attacks.
Long-Term Security Practices
Establishing robust security protocols, providing user awareness training, and regular security assessments can help in preventing similar vulnerabilities in the future.
Patching and Updates
HCL Software should release security patches promptly to address the CVE-2021-27774 vulnerability and enhance the overall security of HCL Digital Experience.