CVE-2026-40950
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Buffer Overflow in Secure Access Server

Publication date: 2026-04-30

Last updated on: 2026-05-05

Assigner: NetMotion Software

Description
CVE-2026-40950 is a buffer overflow vulnerability in the Secure Access server prior to 14.50. Attackers with control of a modified client can send a specially crafted message to the server and cause a denial of service
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Meta Information
Published
2026-04-30
Last Modified
2026-05-05
Generated
2026-06-16
AI Q&A
2026-05-01
EPSS Evaluated
2026-06-14
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
absolute secure_access to 14.50 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

CVE-2026-40950 is a buffer overflow vulnerability found in the Secure Access server software versions prior to 14.50. This vulnerability allows an attacker who controls a modified client to send a specially crafted message to the server, which can trigger a denial of service condition.

Impact Analysis

The primary impact of this vulnerability is that an attacker can cause a denial of service on the Secure Access server. This means the server could become unavailable or stop functioning properly, potentially disrupting access to services that rely on it.

Compliance Impact

CVE-2026-40950 is a buffer overflow vulnerability that results in a denial of service by affecting the availability of the Secure Access server. It does not impact confidentiality or integrity of data.

Since the vulnerability affects availability but not confidentiality or integrity, its direct impact on compliance with standards like GDPR or HIPAAβ€”which emphasize protection of personal data confidentiality and integrityβ€”is limited. However, availability is also a component of these regulations, so prolonged denial of service could potentially affect compliance related to system availability and service continuity.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade the Secure Access server to version 14.50 or later, as the vulnerability affects versions prior to 14.50.

Since the vulnerability allows denial of service via specially crafted messages from a modified client, restricting or monitoring network access to the Secure Access server may help reduce exposure until the update is applied.

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