SB2021091457 - Multiple vulnerabilities in Adobe Experience Manager
Published: September 14, 2021 Updated: December 15, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2021-40711)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Cross-site scripting (CVE-ID: CVE-2021-40714)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
3) Input validation error (CVE-ID: CVE-2021-40712)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted input to the application and perform a denial of service (DoS) attack.
4) Improper Certificate Validation (CVE-ID: CVE-2021-40713)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper certificate validation. A remote attacker can perform MitM attack and gain access to sensitive information.
5) Improper access control (CVE-ID: CVE-2021-42725)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions by manipulating the Referer HTTP header and gain unauthorized access to the certain pages.
Remediation
Install update from vendor's website.