CVE-2022-30780

HIGH

Lighttpd 1.4.56-1.4.58 - DoS

Title source: llm

Description

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

Exploits (2)

nomisec WORKING POC 17 stars
by p0dalirius · poc
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service
nomisec SCANNER
by xiw1ll · poc
https://github.com/xiw1ll/CVE-2022-30780_Checker

Scores

CVSS v3 7.5
EPSS 0.8182
EPSS Percentile 99.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-682
Status published

Affected Products (3)

lighttpd/lighttpd
lighttpd/lighttpd
lighttpd/lighttpd

Timeline

Published Jun 11, 2022
Tracked Since Feb 18, 2026