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CVE-2026-0517— Denial of Service in Secure Access Servers Prior to 14.20.

Quick assessment

Affected
Absolute Security Secure Access
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.

Absolute Secure Access是Absolute公司的一款应用程序。以提供针对混合和移动工作模式优化的安全服务边缘（SSE）。 Absolute Secure Access 14.20之前版本存在安全漏洞，该漏洞源于攻击者发送特制数据包可能导致服务器崩溃。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.31% · P21

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-0517

Vulnerability Information
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Vulnerability Title
Denial of Service in Secure Access Servers Prior to 14.20.
Source: CVE Program / CVE List V5
Vulnerability Description
CVE-2026-0517 is a denial-of-service vulnerability in versions of Secure Access Server prior to 14.20. An attacker can send a specially crafted packet to a server and cause the server to crash
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Absolute Secure Access 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Absolute Secure Access是Absolute公司的一款应用程序。以提供针对混合和移动工作模式优化的安全服务边缘（SSE）。 Absolute Secure Access 14.20之前版本存在安全漏洞，该漏洞源于攻击者发送特制数据包可能导致服务器崩溃。
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
Absolute Security Secure Access 0 ~ 14.20 -

II. Public POCs for CVE-2026-0517

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III. Intelligence Information for CVE-2026-0517

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Same Patch Batch · Absolute Security · 2026-01-17 · 3 CVEs total

CVE-2026-0519 Information Disclosure in Secure Access Between 12.70 and 14.20
CVE-2026-0518 XSS in Secure Access Consoles prior to 14.20

IV. Related Vulnerabilities

Same product: Secure Access
Same vendor: Absolute Security

V. Comments for CVE-2026-0517

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