CVE-2023-43766
Last modified
CVE-2023-43766 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F-Secure | Linux Protection | 12.0 |
| F-Secure | Linux Security 64 | 12.0 |
| F-Secure | Atlant | 1.0.35-1 |
| F-Secure | Client Security | 15.00 |
| F-Secure | Elements Endpoint Protection | >= 17.0 |
| F-Secure | Email And Server Security | 15.00 |
| F-Secure | Server Security | 15.00 |
References
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
- https://www.withsecure.com/en/support/security-advisoriesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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