CVE-2023-47264

Certain WithSecure products have a buffer over-read whereby processing certain fuzz file types may cause a denial of service (DoS). 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 (formerly F-Secure Atlant) 15 and later.

Published: 2023-11-16 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-47264 is rated Moderate Risk (47.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.70%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-47264

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 2026-06-15 0.15% 0.70% +0.55%
2 2025-11-21 0.24% 0.15% -0.09%
3 2025-11-18 — 0.24% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-47264

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-47264

Affected software / configurations for CVE-2023-47264

Vendor Product Version Raw CPE
withsecure client_security 15 cpe:2.3:a:withsecure:client_security:15:*:*:*:*:*:*:*
withsecure elements_endpoint_protection >= 17 cpe:2.3:a:withsecure:elements_endpoint_protection:*:*:*:*:*:*:*:*
withsecure email_and_server_security 15 cpe:2.3:a:withsecure:email_and_server_security:15:*:*:*:*:*:*:*
withsecure server_security 15 cpe:2.3:a:withsecure:server_security:15:*:*:*:*:*:*:*
withsecure linux_protection 12.0 cpe:2.3:a:withsecure:linux_protection:12.0:*:*:*:*:*:*:*
withsecure linux_security_64 12.0 cpe:2.3:a:withsecure:linux_security_64:12.0:*:*:*:*:*:*:*
withsecure atlant >= 15.0 cpe:2.3:a:withsecure:atlant:*:*:*:*:*:*:*:*
withsecure atlant 1.0.35-1 cpe:2.3:a:withsecure:atlant:1.0.35-1:*:*:*:*:*:*:*

References for CVE-2023-47264

cvelogic Threat Intelligence