5.9
MEDIUM CVSS 3.1
CVE-2026-8673
Password re-initialization mechanism sends passwords in plain text
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.

INFO

Published Date :

May 22, 2026, 1:18 p.m.

Last Modified :

May 22, 2026, 1:18 p.m.

Remotely Exploit :

Yes !

Source :

NCSC.ch
Affected Products

The following products are affected by CVE-2026-8673 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 455daabc-a392-441d-aa46-37d35189897c
CVSS 3.1 MEDIUM MITRE-CVE
Solution
Update Avantra to version 25.3.0 or later to protect credentials during transport.
  • Update Avantra to version 25.3.0 or later.
  • Ensure secure transport protocols are enforced.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8673 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8673 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 22, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-523
    Added Reference https://support.avantra.com/hc/en-us/articles/5535621927071
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.