CVE-2023-40518 — HIGH (7.5)

Q: What is CVE-2023-40518?

CVE-2023-40518 is a vulnerability with a CVSS score of 7.5 (HIGH). LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.

Q: How severe is CVE-2023-40518?

CVE-2023-40518 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-40518?

Check the references section above for vendor advisories and patch information. Affected products include: Litespeedtech Openlitespeed.

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Litespeedtech	Openlitespeed	< 1.7.18

References

https://openlitespeed.org/release-log/version-1-7-x/Release Notes
https://www.litespeedtech.com/products/litespeed-web-server/release-logRelease Notes
https://openlitespeed.org/release-log/version-1-7-x/Release Notes
https://www.litespeedtech.com/products/litespeed-web-server/release-logRelease Notes

FAQ

What is CVE-2023-40518?

CVE-2023-40518 is a vulnerability with a CVSS score of 7.5 (HIGH). LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.

How severe is CVE-2023-40518?

CVE-2023-40518 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40518?

Check the references section above for vendor advisories and patch information. Affected products include: Litespeedtech Openlitespeed.