Certain WithSecure products allow a Denial of Service because there is an unpack handler crash that can lead to a scanning engine crash. 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, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant 1.0.35-1.
Conclusion & alert: CVE-2023-49322 is rated Moderate Risk (42.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.24% | 0.15% | -0.09% |
| 2 | 2025-11-18 | 0.15% | 0.24% | +0.09% |
| 3 | 2025-04-15 | — | 0.15% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| f-secure | linux_protection | 12.0 | cpe:2.3:a:f-secure:linux_protection:12.0:*:*:*:*:*:*:* |
| f-secure | linux_security_64 | 12.0 | cpe:2.3:a:f-secure:linux_security_64:12.0:*:*:*:*:*:*:* |
| f-secure | atlant | 1.0.35-1 | cpe:2.3:a:f-secure:atlant:1.0.35-1:*:*:*:*:*:*:* |
| f-secure | client_security | 15.00 | cpe:2.3:a:f-secure:client_security:15.00:*:*:*:*:*:*:* |
| f-secure | elements_endpoint_protection | >= 17.0 | cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:* |
| f-secure | email_and_server_security | 15.00 | cpe:2.3:a:f-secure:email_and_server_security:15.00:*:*:*:*:*:*:* |
| f-secure | server_security | 15.00 | cpe:2.3:a:f-secure:server_security:15.00:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.withsecure.com/en/support/security-advisories/cve-2023-49322 | Vendor Advisory |