AUGUST 5, 2026
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Case File

CVE-2022-37797

HIGH · CVSS 7.5 EPSS 2.03%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-09-12 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2022-37797
Severity
HIGH
CVSS
7.5
EPSS
2.03%

Original NVD Description

In lighttpd 1.4.65, mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received. It leads to null pointer dereference which crashes the server. It could be used by an external attacker to cause denial of service condition.

Related CVEs

Other vulnerabilities affecting the same vendor(s)