CVE-2026-8673 — MEDIUM (5.9)

Q: What is CVE-2026-8673?

CVE-2026-8673 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue affects Avantra: before 25.3.0.

Q: How severe is CVE-2026-8673?

CVE-2026-8673 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-8673?

Check the references section above for vendor advisories and patch information. Affected products include: Avantra Avantra, Linux Linux Kernel, Microsoft Windows.

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Avantra	Avantra	< 25.3.0
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-523

References

https://support.avantra.com/hc/en-us/articles/5535621927071MitigationVendor Advisory

FAQ

What is CVE-2026-8673?

CVE-2026-8673 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sniffing Attacks. This issue affects Avantra: before 25.3.0.

How severe is CVE-2026-8673?

CVE-2026-8673 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8673?

Check the references section above for vendor advisories and patch information. Affected products include: Avantra Avantra, Linux Linux Kernel, Microsoft Windows.