CVE-2020-1936: 
Java vulnerability analysis and mitigation

A cross-site scripting (XSS) vulnerability was discovered in Apache Ambari Views, identified as CVE-2020-1936. The vulnerability was addressed and fixed in Apache Ambari version 2.7.4. The issue was initially reported in December 2019 and publicly disclosed in March 2021 (Apache List, OSS Security).

The vulnerability is classified as a stored cross-site scripting (XSS) issue, categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation). The CVSS v3.1 base score is 6.1 (Medium), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, indicating that the vulnerability is network-accessible, requires low attack complexity, needs no privileges, but does require user interaction (NVD).

The vulnerability could allow attackers to execute malicious scripts in the context of the affected application, potentially leading to the compromise of sensitive browser-based data, session hijacking, or defacement. The CVSS scoring indicates low impacts on both confidentiality and integrity, with no impact on availability (NVD).

The vulnerability requires user interaction to be exploited, as indicated by the CVSS metrics. The attack vector is network-accessible (AV:N) with low attack complexity (AC:L), suggesting that the vulnerability could be exploited remotely without requiring significant specialized access conditions (NVD).

The vulnerability has been fixed in Apache Ambari version 2.7.4. Users are advised to upgrade to this version or later to address the security issue (Apache List).

The vulnerability was discovered by Krzysztof Przybylski from STM Solutions, who was credited by the Apache Ambari team for reporting the issue (OSS Security).