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CVE-2026-57263

Quick assessment

Affected
Siemens LOGO! Soft Comfort
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.

Siemens LOGO! Soft Comfort是德国Siemens公司的一款工业控制编程软件。 Siemens LOGO! Soft Comfort V9之前版本存在加密问题漏洞，该漏洞源于项目密码功能将密码存储为未加盐的SHA-256哈希，可能导致获取项目文件的攻击者进行高效的离线字典或暴力破解攻击。

CVSS 6.8 · Medium EPSS 0.11% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Siemens LOGO! Soft Comfort < V9 affected
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I. Basic Information for CVE-2026-57263

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been identified in LOGO! Soft Comfort (All versions < V9). The project password feature in the affected products stores the password as an unsalted SHA-256 hash. This could allow an attacker who has obtained the project file to perform efficient offline dictionary or brute-force attacks against the unsalted hash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用未加Salt的单向哈希算法
Source: CVE Program / CVE List V5
Vulnerability Title
Siemens LOGO! Soft Comfort 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Siemens LOGO! Soft Comfort是德国Siemens公司的一款工业控制编程软件。 Siemens LOGO! Soft Comfort V9之前版本存在加密问题漏洞，该漏洞源于项目密码功能将密码存储为未加盐的SHA-256哈希，可能导致获取项目文件的攻击者进行高效的离线字典或暴力破解攻击。
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
Siemens LOGO! Soft Comfort 0 ~ V9 -

II. Public POCs for CVE-2026-57263

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III. Intelligence Information for CVE-2026-57263

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Vendor Advisories for CVE-2026-57263 (1)

Same Patch Batch · Siemens · 2026-08-11 · 17 CVEs total

CVE-2026-58115 10.0 CRITICAL Siemens SIMATIC IoT2050 Advanced 授权问题漏洞
CVE-2026-50058 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50059 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50060 7.8 HIGH Siemens Solid Edge SE2025 资源管理错误漏洞
CVE-2026-50061 7.8 HIGH Siemens Solid Edge SE2025 资源管理错误漏洞
CVE-2026-50062 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50063 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-50064 7.8 HIGH Siemens Solid Edge SE2025 缓冲区错误漏洞
CVE-2026-59086 7.8 HIGH Siemens Simcenter Nastran 缓冲区错误漏洞
CVE-2026-59700 7.8 HIGH Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2026-59701 7.8 HIGH Siemens Simcenter Femap 缓冲区错误漏洞
CVE-2026-64629 7.8 HIGH Siemens Parasolid 缓冲区错误漏洞
CVE-2026-69109 7.5 HIGH Siemens License Server 路径遍历漏洞
CVE-2026-57262 6.8 MEDIUM Siemens LOGO! Soft Comfort 加密问题漏洞
CVE-2026-69108 6.0 MEDIUM Siemens License Server 权限许可和访问控制问题漏洞
CVE-2026-59693 4.3 MEDIUM Siemens Desigo DXR2 异常处理不当漏洞

IV. Related Vulnerabilities

Same product: LOGO! Soft Comfort
Same vendor: Siemens
Same weakness: CWE-759

V. Comments for CVE-2026-57263

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