PT-2023-27496 · Litespeed Technologies · Openlitespeed

Published 2023-08-14 · Updated 2023-08-22 · CVE-2023-40518

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions OpenLiteSpeed versions prior to 1.7.18

Description The issue arises from the software not strictly validating HTTP request headers.

Recommendations For versions prior to 1.7.18, update to version 1.7.18 or later to resolve the issue.

Fix

Related Identifiers

CVE-2023-40518

Affected Products

Openlitespeed

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2023-40518 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40518 · Vendor Advisory
• https://twitter.com/CVEnew/status/1691199098404089857 · Twitter Post
• https://openlitespeed.org/release-log/version-1-7-x · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40518 · Note
• https://twitter.com/VulmonFeeds/status/1691272482932625408 · Twitter Post
• https://litespeedtech.com/products/litespeed-web-server/release-log · Note