Vulnerability · Published May 22, 2026 · Assigned by CERT-PL
CVE-2026-25608Lack of traffic encryption in STER
Low 2.3
In plain English
A low-severity security flaw in STER from Centralny Instytut Ochrony Pracy - Państwowy Instytut Badawczy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 4.0)2.3Low
Exploit odds (30 days)0.2%top 89.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
STER uses unencrypted TCP traffic to transmit data over the network. It allows an attacker to conduct a Man-In-The-Middle attack and obtain sensitive data such as passwords, personal data, or authentication tokens. This issue was fixed in version 9.5.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Centralny Instytut Ochrony Pracy - Państwowy Instytut Badawczy | STER | 0 – before 9.5 |
Weakness: CWE-319 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N