CVE-2026-107244
Summary
| CVE | CVE-2026-107244 |
|---|---|
| State | PUBLISHED |
| Assigner | hackerone |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-10 01:17:12 UTC |
| Updated | 2026-11-10 01:17:12 UTC |
| 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. The /decryptTest endpoint of this service is registered in server.js before the session authentication middleware and creates an authenticated session whenever it receives a token that decrypts successfully. Because the key and initialization vector (IV) used for decryption are hardcoded and identical across all VOS appliances, an unauthenticated attacker with network access can compute a valid token, submit it to /decryptTest, and obtain a fully authenticated session without providing any credentials. 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. |
Risk And Classification
Primary CVSS: v3.0 7.6 HIGH from [email protected]
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Problem Types: CWE-1390 | CWE-1390 CWE-1390 Weak Authentication
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Secondary | 7.6 | HIGH | CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |
| 3.0 | CNA | DECLARED | 7.6 | HIGH | CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
HighUser Interaction
RequiredScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Versa | VOS | affected 21.1.1 21.2.3 semver | Not specified |
| CNA | Versa | VOS | affected 22.1.2 July 2, 2026 semver | Not specified |
| CNA | Versa | VOS | affected 22.1.3 July 2, 2026 semver | Not specified |
| CNA | Versa | VOS | affected 22.1.4 July 2, 2026 semver | Not specified |
| CNA | Versa | VOS | affected 23.1.2 July 2, 2026 semver | Not specified |
| CNA | Versa | VOS | unaffected 22.1.2 July-2-2026-Hotfix 22.1.2 July-2-2026-Hotfix semver | Not specified |
| CNA | Versa | VOS | unaffected 22.1.3 July-2-2026-Hotfix 22.1.3 July-2-2026-Hotfix semver | Not specified |
| CNA | Versa | VOS | unaffected 22.1.4 July-2-2026-Hotfix 22.1.4 July-2-2026-Hotfix semver | Not specified |
| CNA | Versa | VOS | unaffected 23.1.2 Aug-3-2026-Hotfix 23.1.2 Aug-3-2026-Hotfix semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security-portal.versa-networks.com/emailbulletins/6af22b38dd1c93ddc0a3e83a | [email protected] | security-portal.versa-networks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Microsoft (en)
Additional Advisory Data
Workarounds
CNA: The mitigation is to disable the Nodejs web service on the VOS. Instructions to disable the Nodejs web service are available on the Versa documentation page at the below link: https://docs.versa-networks.com/Integrations_and_Solutions/System_Hardening/Perform_Manual_Hardening_for_Versa_Branches%2C_Controllers%2C_and_Hubs#Enable_Secure_Mode
There are currently no legacy QID mappings associated with this CVE.