CVE-2026-8673
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-8673- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-523
- Updated
- 2026-11-02
EUVDEUVD-2026-31436
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks.
This issue affects Avantra: before 25.3.0.
- Record
EUVD-2026-31436- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v88w-jgrg-7946
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux,...
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks.
This issue affects Avantra: before 25.3.0.
- Record
GHSA-v88w-jgrg-7946- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-523
- Updated
- 2026-11-02
NVD
Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks.
This issue affects Avantra: before 25.3.0.
- Record
CVE-2026-8673- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-523
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-8673 is a medium vulnerability (CVSS 5.9) in Avantra, published May 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.