---
title: "Juniper: known exploited vulnerabilities"
url: https://erroneo.us/security/vendor/juniper/
description: "Every Juniper vulnerability in CISA's Known Exploited Vulnerabilities catalog since October 2023 (7), newest first, with due dates and fixes."
type: vendor
section: "Security Digest"
date_modified: 2025-10-02
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Juniper: known exploited vulnerabilities

- 2025-10-02 [CVE-2015-7755](https://erroneo.us/security/cve/CVE-2015-7755/index.md) Juniper ScreenOS: Juniper ScreenOS Improper Authentication Vulnerability (due 2025-10-23; ransomware: Unknown)
- 2025-03-13 [CVE-2025-21590](https://erroneo.us/security/cve/CVE-2025-21590/index.md) Juniper Junos OS: Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability (due 2025-04-03; ransomware: Unknown)
- 2023-11-13 [CVE-2023-36851](https://erroneo.us/security/cve/CVE-2023-36851/index.md) Juniper Junos OS: Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability (due 2023-11-17; ransomware: Unknown)
- 2023-11-13 [CVE-2023-36847](https://erroneo.us/security/cve/CVE-2023-36847/index.md) Juniper Junos OS: Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability (due 2023-11-17; ransomware: Unknown)
- 2023-11-13 [CVE-2023-36846](https://erroneo.us/security/cve/CVE-2023-36846/index.md) Juniper Junos OS: Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability (due 2023-11-17; ransomware: Unknown)
- 2023-11-13 [CVE-2023-36845](https://erroneo.us/security/cve/CVE-2023-36845/index.md) Juniper Junos OS: Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability (due 2023-11-17; ransomware: Unknown)
- 2023-11-13 [CVE-2023-36844](https://erroneo.us/security/cve/CVE-2023-36844/index.md) Juniper Junos OS: Juniper Junos OS EX Series PHP External Variable Modification Vulnerability (due 2023-11-17; ransomware: Unknown)

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Source page: https://erroneo.us/security/vendor/juniper/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt