Security Resilience

CVE-2023-40518

Litespeedtech Openlitespeed ≤ 1.7.18

Published
14 August 2023
Modified
21 November 2024
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0065 50th percentile
Risk Priority 58 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-40518 is a high-severity an unspecified weakness vulnerability in Litespeedtech Openlitespeed. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 50% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.

CWE(s)
NVD-CWE-noinfo

Related Threats

CVEs Like This One

CVE-2024-31617Same product: Litespeedtech Openlitespeed
CVE-2026-31386Same product: Litespeedtech Openlitespeed
CVE-2025-54939Same product: Litespeedtech Openlitespeed
CVE-2024-9169Same vendor: Litespeedtech
CVE-2024-44000Same vendor: Litespeedtech
CVE-2024-25678Same vendor: Litespeedtech
CVE-2024-50550Same vendor: Litespeedtech
CVE-2026-48172Same vendor: Litespeedtech
CVE-2024-47373Same vendor: Litespeedtech
CVE-2023-40000Same vendor: Litespeedtech

Affected Assets

litespeedtech
openlitespeed
≤ 1.7.18

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References