CVE-2026-40950
Buffer Overflow in Secure Access Server
Publication date: 2026-04-30
Last updated on: 2026-05-05
Assigner: NetMotion Software
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| absolute | secure_access | to 14.50 (exc) |
Helpful Resources
Exploitability
| 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). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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 HIPAA—which emphasize protection of personal data confidentiality and integrity—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.
What immediate steps should I take to mitigate this vulnerability?
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.