Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools

Avantra

Source -

CNA

CNA CVEs -

5

ADP CVEs -

0

CISA CVEs -

0

NVD CVEs -

0
Related CVEsRelated VendorsRelated AssignersReports
5Vulnerabilities found

CVE-2026-8673
Assigner-Switzerland National Cyber Security Centre (NCSC)
ShareView Details
Assigner-Switzerland National Cyber Security Centre (NCSC)
CVSS Score-5.9||MEDIUM
EPSS-Not Assigned
Published-22 May, 2026 | 13:18
Updated-22 May, 2026 | 15:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Password re-initialization mechanism sends passwords in plain text

Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue affects Avantra: before 25.3.0.

Action-Not Available
Vendor-syslink software AG
Product-Avantra
CWE ID-CWE-523
Unprotected Transport of Credentials
CVE-2026-8672
Assigner-Switzerland National Cyber Security Centre (NCSC)
ShareView Details
Assigner-Switzerland National Cyber Security Centre (NCSC)
CVSS Score-5.1||MEDIUM
EPSS-Not Assigned
Published-22 May, 2026 | 13:17
Updated-22 May, 2026 | 15:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Default credentials for internal DB

Use of default password vulnerability in syslink software AG Avantra on Linux, Windows allows Try Common or Default Usernames and Passwords. This issue affects Avantra: before 25.3.0.

Action-Not Available
Vendor-syslink software AG
Product-Avantra
CWE ID-CWE-1393
Use of Default Password
CVE-2026-8671
Assigner-Switzerland National Cyber Security Centre (NCSC)
ShareView Details
Assigner-Switzerland National Cyber Security Centre (NCSC)
CVSS Score-7.5||HIGH
EPSS-Not Assigned
Published-22 May, 2026 | 13:15
Updated-22 May, 2026 | 15:04
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Log Files contain encrypted secrets

Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure. This issue affects Avantra: before 25.3.0.

Action-Not Available
Vendor-syslink software AG
Product-Avantra
CWE ID-CWE-532
Insertion of Sensitive Information into Log File
CVE-2026-8670
Assigner-Switzerland National Cyber Security Centre (NCSC)
ShareView Details
Assigner-Switzerland National Cyber Security Centre (NCSC)
CVSS Score-9.6||CRITICAL
EPSS-Not Assigned
Published-22 May, 2026 | 13:12
Updated-22 May, 2026 | 15:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Insecure session handling on metrics web server

Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay). This issue affects Avantra: before 25.3.1.

Action-Not Available
Vendor-syslink software AG
Product-Avantra
CWE ID-CWE-613
Insufficient Session Expiration
CVE-2026-3873
Assigner-Switzerland National Cyber Security Centre (NCSC)
ShareView Details
Assigner-Switzerland National Cyber Security Centre (NCSC)
CVSS Score-7.2||HIGH
EPSS-0.01% / 2.16%
||
7 Day CHG~0.00%
Published-13 Mar, 2026 | 08:14
Updated-19 May, 2026 | 15:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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.

Action-Not Available
Vendor-syslink software AG
Product-Avantra
CWE ID-CWE-798
Use of Hard-coded Credentials