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Vulnerability Details :

CVE-2026-3873

Summary
Assigner-NCSC.ch
Assigner Org ID-455daabc-a392-441d-aa46-37d35189897c
Published At-13 Mar, 2026 | 08:14
Updated At-13 Mar, 2026 | 16:05
Rejected At-
Credits

Legacy built-in user account

Use of Hard-coded Credentials vulnerability in Avantra allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Avantra: before 25.3.0.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:NCSC.ch
Assigner Org ID:455daabc-a392-441d-aa46-37d35189897c
Published At:13 Mar, 2026 | 08:14
Updated At:13 Mar, 2026 | 16:05
Rejected At:
▼CVE Numbering Authority (CNA)
Legacy built-in user account

Use of Hard-coded Credentials vulnerability in Avantra allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Avantra: before 25.3.0.

Affected Products
Vendor
syslink software AG
Product
Avantra
Platforms
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0 before 25.3.0 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-798CWE-798 Use of Hard-coded Credentials
Type: CWE
CWE ID: CWE-798
Description: CWE-798 Use of Hard-coded Credentials
Metrics
VersionBase scoreBase severityVector
3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-1CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
CAPEC ID: CAPEC-1
Description: CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Vicxer Inc.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Legacy-Built-In-User-Account-rtm
vendor-advisory
Hyperlink: https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Legacy-Built-In-User-Account-rtm
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:vulnerability@ncsc.ch
Published At:13 Mar, 2026 | 19:55
Updated At:19 May, 2026 | 15:44

Use of Hard-coded Credentials vulnerability in Avantra allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Avantra: before 25.3.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 7.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-798Secondaryvulnerability@ncsc.ch
CWE ID: CWE-798
Type: Secondary
Source: vulnerability@ncsc.ch
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Legacy-Built-In-User-Account-rtmvulnerability@ncsc.ch
N/A
Hyperlink: https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Legacy-Built-In-User-Account-rtm
Source: vulnerability@ncsc.ch
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2025-46617
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.2||HIGH
EPSS-0.27% / 19.39%
||
7 Day CHG+0.02%
Published-25 Apr, 2025 | 00:00
Updated-15 Apr, 2026 | 00:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Quantum StorNext Web GUI API before 7.2.4 grants access to internal StorNext configuration and unauthorized modification of some software configuration parameters via undocumented user credentials. This affects StorNext RYO before 7.2.4, StorNext Xcellis Workflow Director before 7.2.4, and ActiveScale Cold Storage.

Action-Not Available
Vendor-Quantum
Product-StorNext
CWE ID-CWE-798
Use of Hard-coded Credentials
Details not found