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CVSS 9.8 · CRITICAL

CVE-2026-33447

CVE-2026-33447 is a buffer overflow in a message parsing function of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or denial of service.

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Analysis

Absolute Secure Access is a common enterprise VPN and Zero Trust solution used in corporate environments. A CVSS 9.8 buffer overflow in a security client is highly significant as it could allow for system compromise if the server is malicious or compromised.

Severity

Score: 9.8(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-121

EPSS

Probability of exploitation (next 30 days): 0.0008 (0.1%)
Percentile: 22.9%
EPSS: 2026-05-06

Affects

absolute:secure_access

Technical description

CVE-2026-33447 is a buffer overflow in a message parsing function of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or denial of service.

Published: 4/30/2026, 8:16:23 PM
Last modified: 5/5/2026, 2:26:55 AM

References

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