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AUTOMATICALLY VERIFIEDOFFICIAL VENDOR SOURCECOLLECTED 31 AUG 2026

Juniper · AUTOMATIC DISCOVERY

Juniper Junos OS Junos OS 5.7

Juniper Junos OS is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Evidence status

This record passed BlackTree's automatic primary-source checks with a confidence score of 96. It is returned for operational research without requiring routine manual approval. Confirm edition and deployment applicability before acting.

Product overview

Juniper Junos OS is tracked by BlackTree as a server-side software product. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Main capabilities

  • Networked or application service delivery
  • Administrative and operational interfaces
  • Versioned maintenance and security updates

Typical use

Used to provide application, infrastructure or operational services to other systems and users.

Deployment

Deployed on servers, virtual machines, containers or managed infrastructure.

This category-level context is generated from the registered product identity. Confirm exact product capabilities on the publisher's page .

Collected lifecycle data

ProductJuniper Junos OS
ReleaseJunos OS 5.7
End of Active support15 February 2004
End of Support15 August 2004
Date precisionDay

Known exploited vulnerabilities

Catalogue updated 11 Sep 2026

These are product-family matches in the CISA Known Exploited Vulnerabilities catalogue. Confirm the affected product version in the vendor advisory.

CVE-2025-21590Added 13 Mar 2025

Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability

Juniper Junos OS contains an improper isolation or compartmentalization vulnerability. This vulnerability could allows a local attacker with high privileges to inject arbitrary code.

Juniper · Junos OSRansomware use: Unknown

CISA entry
CVE-2023-36851Added 13 Nov 2023

Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to webauth_operation.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Juniper · Junos OSRansomware use: Unknown

CISA entry
CVE-2023-36847Added 13 Nov 2023

Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on EX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to installAppPackage.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Juniper · Junos OSRansomware use: Unknown

CISA entry
CVE-2023-36846Added 13 Nov 2023

Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability

Juniper Junos OS on SRX Series contains a missing authentication for critical function vulnerability that allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to user.php that doesn't require authentication, an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities.

Juniper · Junos OSRansomware use: Unknown

CISA entry
CVE-2023-36845Added 13 Nov 2023

Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability

Juniper Junos OS on EX Series and SRX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control an important environment variable. Using a crafted request, which sets the variable PHPRC, an attacker is able to modify the PHP execution environment allowing the injection und execution of code.

Juniper · Junos OSRansomware use: Unknown

CISA entry
CVE-2023-36844Added 13 Nov 2023

Juniper Junos OS EX Series PHP External Variable Modification Vulnerability

Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.

Juniper · Junos OSRansomware use: Unknown

CISA entry

Showing the 6 most recently added of 7 product-family matches.

Package vulnerability advisories

OSV advisories are matched through the registered package URL. A package-family match does not prove that the installed release is affected. Check the affected and fixed versions before remediation.

No package advisories have been linked for this product identity.

This is not evidence that the product has no vulnerabilities.

Source evidence

PRIMARYManual

Juniper Junos OS official lifecycle source

Product | FRS Date | End of Engineering | End of Support | Release Type | Junos OS 5.7 | 05/15/2003 | 02/15/2004 | 08/15/2004 | EOL

Publisher identity used by product-specific official-source collectors.

First collected 31 Aug 2026 · Last collected 31 Aug 2026 · Review state accepted

Open official vendor source