What’s Vulnerable › Vulnerabilities

CVE-2022-22231: SRX Series: If UTM Enhanced Content Filtering and AntiVirus are enabled, and specific traffic is processed the PFE will crash

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-18 · updated 2026-06-17
• Weakness: CWE-690

Description

An Unchecked Return Value to NULL Pointer Dereference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On SRX Series if Unified Threat Management (UTM) Enhanced Content Filtering (CF) and AntiVirus (AV) are enabled together and the system processes specific valid transit traffic the Packet Forwarding Engine (PFE) will crash and restart. This issue affects Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.

Affected products

• Juniper Junos OS: 21.4, 21.4-r1, 21.4-r1-s1

References

• https://kb.juniper.net/JSA69885
• https://kb.juniper.net/JSA69885

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