Path traversal: '.../...//' in Intrado 911 Emergency Gateway (EGW)

Summary

CVECVE-2026-6074
StatePUBLISHED
Assignericscert
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-23 19:17:30 UTC
Updated2026-04-24 14:50:56 UTC
DescriptionA path traversal condition in Intrado 911 Emergency Gateway could allow an attacker with existing network access the ability to access the EGW management interface without authentication. Successful exploitation of this vulnerability could allow a user to read, modify, or delete files.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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

EPSS: 0.001680000 probability, percentile 0.377030000 (date 2026-04-25)

Problem Types: CWE-35 | CWE-35 CWE-35 Path traversal: '.../...//'


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Intrado 911 Emergency Gateway affected Versions 7.x Not specified
CNA Intrado 911 Emergency Gateway affected Versions 6.x Not specified
CNA Intrado 911 Emergency Gateway affected Versions 5.x Not specified

References

ReferenceSourceLinkTags
www.cisa.gov/news-events/ics-advisories/icsa-26-113-06 [email protected] www.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Intrado developed and released a software update on March 2nd, 2026, that addresses this issue and has contacted customers to coordinate applying the patch. If you have questions, contact Intrado E911 Support: [email protected]

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