CVE-2026-33446

CVE-2026-33446 is a buffer overflow in the authentication sub-system 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 a denial of service.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33446	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*

History

26 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) CVE-2026-33446 es un desbordamiento de búfer en el subsistema de autenticación del cliente Secure Access anterior a la versión 14.50. Los atacantes con control de un servidor modificado pueden enviar un paquete especial que puede sobrescribir una pequeña porción de memoria, lo que podría conducir a corrupción de memoria o a una denegación de servicio.

Information

Published : 2026-04-30 20:16

Updated : 2026-10-26 22:10

NVD link : CVE-2026-33446

Mitre link : CVE-2026-33446

CVE.ORG link : CVE-2026-33446

JSON object : View

Products Affected

absolute

secure_access

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2026-33446", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33446", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-30T20:10:07.269398Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "SecurityResponse@netmotionsoftware.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "SecurityResponse@netmotionsoftware.com", "affectedData": [{"vendor": "Absolute Software", "modules": ["Client"], "product": "Secure Access", "versions": [{"status": "affected", "version": "0", "lessThan": "14.50", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-30T20:16:23.813", "references": [{"url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33446", "tags": ["Vendor Advisory"], "source": "SecurityResponse@netmotionsoftware.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "CVE-2026-33446 is a buffer overflow in the authentication sub-system of \nthe Secure Access client prior to 14.50. Attackers with control of a \nmodified server can send a special packet that can overwrite a small \nportion of memory conceivably leading to memory corruption or a denial \nof service."}, {"lang": "es", "value": "CVE-2026-33446 es un desbordamiento de b\u00fafer en el subsistema de autenticaci\u00f3n del cliente Secure Access anterior a la versi\u00f3n 14.50. Los atacantes con control de un servidor modificado pueden enviar un paquete especial que puede sobrescribir una peque\u00f1a porci\u00f3n de memoria, lo que podr\u00eda conducir a corrupci\u00f3n de memoria o a una denegaci\u00f3n de servicio."}], "lastModified": "2026-10-26T22:10:00.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBD1BC48-5034-499F-8C00-89FCD8EA2FC6", "versionEndExcluding": "14.50"}], "operator": "OR"}]}], "sourceIdentifier": "SecurityResponse@netmotionsoftware.com"}