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CVE-2026-107242

Quick assessment

Affected
Versa VOS
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.

运行于 VOS（原 Versa FlexVNF）平台上的 Node.js Web 服务用于基于 URL 的 VOS 设备零接触部署（ZTP）；在完成部署后，该服务即不再需要。此服务使用 UUID 版本 1（UUIDv1）生成会话标识符，该标识符基于系统日期/时间及其 MAC 地址派生。因此，连续生成的标识符差异极小，可被预测。攻击者若能预测用户的会话 ID，即可劫持该用户的会话。 Versa 针对 Hub、Branch 和 Controller 的安全加固指南建议在完成 VOS 设备初始部署后禁用 Node.js

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I. Basic Information for CVE-2026-107242

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Node.js web service on VOS (previously Versa FlexVNF) is used for URL-based Zero Touch Provisioning (ZTP) of the VOS appliance and is not required after provisioning is complete. This service generates session identifiers using UUID version 1 (UUIDv1), which is derived from the system’s date and time and its MAC address. As a result, successive identifiers differ only slightly and can be predicted. An attacker who can predict a user’s session ID could hijack that user’s session.  Versa’s security hardening guide for Hubs, Branches, and Controllers recommends disabling the Node.js web service after the initial provisioning of the VOS device. This vulnerability is not exploitable on VOS devices where the Node.js web service has been disabled.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可预测问题
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Versa VOS 21.1.1 ~ 21.2.3 -

II. Public POCs for CVE-2026-107242

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III. Intelligence Information for CVE-2026-107242

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Other References for CVE-2026-107242 (1)

Same Patch Batch · Versa · 2026-11-10 · 6 CVEs total

CVE-2026-107244 VOS Node.js 服务认证绕过漏洞
CVE-2026-107241 VOS Node.js 服务默认凭据漏洞
CVE-2026-107243 Versa VOS Node.js 服务硬编码密钥漏洞
CVE-2026-107245 CVE-2026-107245
CVE-2026-107240 Versa VOS 任意版本 Node.js 远程命令执行漏洞

IV. Related Vulnerabilities

Same product: VOS
Same vendor: Versa
Same weakness: CWE-340