CVE-2023-39427— Ashlar-Vellum Cobalt, Xenon, Argon, Lithium Out-of-bounds Write
Quick assessment
Affected
Ashlar-Vellum Cobalt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Ashlar Incorporated Ashlar-Vellum是Ashlar Incorporated公司的计算机辅助设计 (CAD) 和 3D 建模软件的开发平台。 Ashlar Incorporated Ashlar-Vellum Cobalt、Xenon、Argon、Lithium 和 Cobalt Share v12 版本存在安全漏洞，该漏洞源于在解析 XE 文件时，缺乏对用户提供的数据的正确验证。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-39427
Vulnerability Information
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Vulnerability Title
Ashlar-Vellum Cobalt, Xenon, Argon, Lithium Out-of-bounds Write
Source: CVE Program / CVE List V5
Vulnerability Description
In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Ashlar Incorporated Ashlar-Vellum 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ashlar Incorporated Ashlar-Vellum是Ashlar Incorporated公司的计算机辅助设计 (CAD) 和 3D 建模软件的开发平台。 Ashlar Incorporated Ashlar-Vellum Cobalt、Xenon、Argon、Lithium 和 Cobalt Share v12 版本存在安全漏洞，该漏洞源于在解析 XE 文件时，缺乏对用户提供的数据的正确验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Ashlar-Vellum | Cobalt | v12 SP0 Build (1204.77) | - |
|
| Ashlar-Vellum | Xenon | v12 SP0 Build (1204.77) | - |
|
| Ashlar-Vellum | Argon | v12 SP0 Build (1204.77) | - |
|
| Ashlar-Vellum | Lithium | v12 SP0 Build (1204.77) | - |
|
| Ashlar-Vellum | Cobalt Share | v12 SP0 Build (1204.77) | - |
|
II. Public POCs for CVE-2023-39427
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-39427 (1)
IV. Related Vulnerabilities
Same product: Cobalt
-
CVE-2026-19781
Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer Overf -
CVE-2025-65088
Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Li -
CVE-2025-65087
Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Li -
CVE-2025-65086
Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, L -
CVE-2025-65085
Heap-based Buffer Overflow in Ashlar-Vellum Cobalt, Xenon, A
Same vendor: Ashlar-Vellum
-
CVE-2026-19781
Ashlar-Vellum Cobalt VS File Parsing Heap-based Buffer Overf -
CVE-2025-65088
Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Li -
CVE-2025-65087
Out-of-bounds read in Ashlar-Vellum Cobalt, Xenon, Argon, Li -
CVE-2025-65086
Out-of-bounds write in Ashlar-Vellum Cobalt, Xenon, Argon, L -
CVE-2025-65085
Heap-based Buffer Overflow in Ashlar-Vellum Cobalt, Xenon, A
V. Comments for CVE-2023-39427
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