CVE-2023-47263

highpriority · track · 30EPSS 0.007 · 53 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-28

Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file. 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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (11)

Products and version ranges known to be affected.

F-Secure Anti-Virusall versionscert_bundDEcpe:/a:f-secure:antivirus:-
F-Secure Client Securityall versionscert_bundDEcpe:/a:f-secure:client_security:-
WithSecure Endpoint Protectionall versionscert_bundDEcpe:/a:withsecure:endpoint_protection:-
n/a n/a≤ n/aenisa_euvdEU
withsecure atlant≥ 15.0nvdUScpe:2.3:a:withsecure:atlant:*:*:*:*:*:*:*:*
withsecure client security= 15nvdUScpe:2.3:a:withsecure:client_security:*:*:*:*:*:*:*:*
withsecure elements endpoint protection≥ 17nvdUScpe:2.3:a:withsecure:elements_endpoint_protection:*:*:*:*:*:*:*:*
withsecure email and server security= 15nvdUScpe:2.3:a:withsecure:email_and_server_security:*:*:*:*:*:*:*:*
withsecure linux protection= 12.0nvdUScpe:2.3:a:withsecure:linux_protection:*:*:*:*:*:*:*:*
withsecure linux security 64= 12.0nvdUScpe:2.3:a:withsecure:linux_security_64:*:*:*:*:*:*:*:*
withsecure server security= 15nvdUScpe:2.3:a:withsecure:server_security:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2945Withsecure und F-Secure Produkte: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2023-11-15csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Withsecure und F-Secure Produkte ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-11-16modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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