Certain WithSecure products allow a remote crash of a scanning engine via unpacking of a…
Priority MEDIUM 40CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
Certain WithSecure products allow a remote crash of a scanning engine via unpacking of a PE 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, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00616 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:withsecure:client_security:15:*:*:*:*:*:*:* | 15 | Vulnerable | WithSecure |
| cpe:2.3:a:withsecure:elements_endpoint_protection:*:*:*:*:*:*:*:* | 17 | Vulnerable | WithSecure |
| cpe:2.3:a:withsecure:email_and_server_security:15:*:*:*:*:*:*:* | 15 | Vulnerable | WithSecure |
| cpe:2.3:a:withsecure:server_security:15:*:*:*:*:*:*:* | 15 | Vulnerable | WithSecure |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:a:withsecure:linux_protection:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | WithSecure |
| cpe:2.3:a:withsecure:linux_security_64:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | WithSecure |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:a:withsecure:atlant:1.0.35-1:*:*:*:*:*:*:* | 1.0.35-1 | Vulnerable | WithSecure |
- cpe:2.3:a:withsecure:client_security:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·WithSecure
- cpe:2.3:a:withsecure:elements_endpoint_protection:*:*:*:*:*:*:*:* Versions 17 Vulnerable ·WithSecure
- cpe:2.3:a:withsecure:email_and_server_security:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·WithSecure
- cpe:2.3:a:withsecure:server_security:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·WithSecure
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:a:withsecure:linux_protection:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·WithSecure
- cpe:2.3:a:withsecure:linux_security_64:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·WithSecure
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:a:withsecure:atlant:1.0.35-1:*:*:*:*:*:*:* Versions 1.0.35-1 Vulnerable ·WithSecure
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42523
- 2026-10-03 Alias added: GHSA-2584-cxmx-j3x4
References
More WithSecure Atlant vulnerabilities
- TI-2023-22676 Certain WithSecure products allow a remote crash of a scanning engine via decompression… CVSS 3.1HIGH 7.5
- TI-2023-22675 Certain WithSecure products allow an infinite loop in a scanning engine via unspecified… CVSS 3.1HIGH 7.5
- TI-2023-22674 Certain WithSecure products allow an infinite loop in a scanning engine via unspecified… CVSS 3.1HIGH 7.5
- TI-2023-22672 Certain WithSecure products allow a remote crash of a scanning engine via processing of… CVSS 3.1HIGH 7.5
- TI-2023-22671 Certain WithSecure products allow a remote crash of a scanning engine via processing of a… CVSS 3.1HIGH 7.5
- TI-2023-22670 Certain WithSecure products allow a remote crash of a scanning engine via unpacking of… CVSS 3.1HIGH 7.5
Sources
- CVE-2023-42523 · CVE Program
- CVE-2023-42523 · NVD
- FIRST EPSS
- GHSA-2584-cxmx-j3x4 · GitHub Advisory Database · CC BY 4.0
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