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CVE-2026-33771: CWE-521 Weak Password Requirements in Juniper Networks CTP OS

0
High
VulnerabilityCVE-2026-33771cvecve-2026-33771cwe-521
Published: Thu Apr 09 2026 (04/09/2026, 21:33:57 UTC)
Source: CVE Database V5
Vendor/Project: Juniper Networks
Product: CTP OS

Description

A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local accounts and potentially take full control of the device. The password management menu enables the administrator to set password complexity requirements, but these settings are not saved. The issue can be verified with the menu option "Show password requirements". Failure to enforce the intended requirements can lead to weak passwords being used, which significantly increases the likelihood that an attacker can guess these and subsequently attain unauthorized access. This issue affects CTP OS versions 9.2R1 and 9.2R2.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/17/2026, 11:58:06 UTC

Technical Analysis

This vulnerability in Juniper Networks CTP OS (versions 9.2R1 and 9.2R2) involves the password management menu not saving the administrator's configured password complexity requirements. As a result, weak passwords can be set and used for local accounts. An unauthenticated attacker with network access could exploit this by guessing weak passwords to gain unauthorized access and potentially take full control of the device. The CVSS 3.1 base score is 7.4, reflecting high impact on confidentiality and integrity with network attack vector and high attack complexity.

Potential Impact

The vulnerability allows an unauthenticated network attacker to exploit weak password enforcement on local accounts, potentially leading to unauthorized access and full device control. Confidentiality and integrity impacts are high, but availability is not affected. This could compromise the security of the affected Juniper CTP OS devices.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should manually enforce strong password policies outside of the affected password management menu and monitor for unauthorized access attempts. No official patch or temporary fix has been provided by Juniper Networks as of the published date.

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Technical Details

Data Version
5.2
Assigner Short Name
juniper
Date Reserved
2026-03-23T19:46:13.667Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 69d822bd1cc7ad14da2ac962

Added to database: 4/9/2026, 10:05:49 PM

Last enriched: 4/17/2026, 11:58:06 AM

Last updated: 5/25/2026, 1:44:27 AM

Views: 85

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