Improper input validation in Litespeedtech Openlitespeed

CVE-2018-19791

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP R…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (65.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-19791?
CVE-2018-19791 is a medium-severity vulnerability in Litespeedtech Openlitespeed, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-12-03.
How severe is CVE-2018-19791?
Medium severity. CVSS v3 base score is 6.5 out of 10.