CVE-2020-13697 describes a reflected Cross-Site Scripting (XSS) vulnerability in NanoHTTPD versions up to 2.3.1, specifically within the RouterNanoHTTPD.java's GeneralHandler class. This flaw occurs when web servers extending GeneralHandler fail to implement their own GET handler, leading to unsanitized user input from query strings being reflected in debug information. The vulnerability carries a CVSS v3.1 score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.3.1CPE matchmatch criteria | cpe:2.3:a:nanohttpd:nanohttpd:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.