CVE-2020-7616

CVE-2020-7616 describes a Prototype Pollution vulnerability in express-mock-middleware up to version 0.0.6, allowing attackers to modify Object.prototype properties. This vulnerability is rated Medium severity (CVSS 5.3) due to its network-based attack vector and low complexity, but its impact is limited to low integrity and no availability. Exploitation requires creating a new directory with malicious code, making it a low-risk threat. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a lack of widespread attention or exploitation.