Juniper known exploited vulnerabilities
Every Juniper CVE on CISA's Known Exploited Vulnerabilities catalog, newest addition first: 8 in all, 0 added in the last 12 months.
- CVE-2015-7755Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before
- CVE-2025-21590Junos OS: An local attacker with shell access can execute arbitrary codeJuniper Networks Junos OS
- CVE-2023-36851Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary filesJuniper Networks Junos OS
- CVE-2023-36847Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary filesJuniper Networks Junos OS
- CVE-2023-36846Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary filesJuniper Networks Junos OS
- CVE-2023-36845Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variableJuniper Networks Junos OS
- CVE-2023-36844Junos OS: EX Series: A PHP vulnerability in J-Web allows an unauthenticated attacker to control important environment variablesJuniper Networks Junos OS
- CVE-2020-1631Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) servicesJuniper Networks Junos OS
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Frequently asked questions
How many Juniper vulnerabilities are in CISA KEV?
8 Juniper vulnerabilities are on CISA's Known Exploited Vulnerabilities catalog, 0 of them added in the last 12 months. The newest is CVE-2015-7755 (Juniper ScreenOS Improper Authentication Vulnerability), added 2025-10-02.
Which Juniper products are in CISA KEV?
2 products, including ScreenOS, Junos OS. Attackers have exploited every one of these entries in the wild, and US federal agencies must patch each by its CISA due date.
Are Juniper KEV vulnerabilities used by ransomware?
CISA has no known ransomware use on record for Juniper's KEV entries.