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CVE-2025-35021— Abilis CPX Fallback Shell Connection Relay

Quick assessment

Affected
Abilis CPX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Abilis CPX是意大利Abilis公司的一系列、语音和数据网管设备软件平台。 Abilis CPX存在安全漏洞，该漏洞源于SSH身份验证失败三次后可登录受限shell，可能导致连接中继攻击。

CVSS 6.5 · Medium EPSS 0.33% · P26
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I. Basic Information for CVE-2025-35021

Vulnerability Information
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Vulnerability Title
Abilis CPX Fallback Shell Connection Relay
Source: CVE Program / CVE List V5
Vulnerability Description
By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5
Vulnerability Title
Abilis CPX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Abilis CPX是意大利Abilis公司的一系列、语音和数据网管设备软件平台。 Abilis CPX存在安全漏洞，该漏洞源于SSH身份验证失败三次后可登录受限shell，可能导致连接中继攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Abilis CPX 0 ~ 9.0.7 -

II. Public POCs for CVE-2025-35021

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III. Intelligence Information for CVE-2025-35021

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IV. Related Vulnerabilities

Same weakness: CWE-1188