CVE-2022-22232

SRX Series: If Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled and specific traffic is processed the PFE will crash

HIGH

7.5

CVSS Score

Published: October 18, 2022 at 02:46 AM UTC

Updated: June 17, 2026 at 04:28 AM UTC

29 products affected across 2 vendorsJunosSRX5600SRX5800

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Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS on SRX Series 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) is enabled and specific transit traffic is processed the 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; 22.1 versions prior to 22.1R1-S1, 22.1R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

21.4 ≤ v < 21.4R1-S2, 21.4R222.1 ≤ v < 22.1R1-S1, 22.1R221.4 21.4 r1 21.4 r1-s1 22.1 22.1 r1

Vendor states this is fixed in 21.4R1 (unaffected)

Affected range stops below 21.4R1-S2, 21.4R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.1R1-S1, 22.1R2, so it looks safe — our inference, not a vendor statement

juniper-srx100 (environment) · juniper-srx110 (environment) · juniper-srx1400 (environment) · juniper-srx1500 (environment) · juniper-srx210 (environment) · juniper-srx220 (environment) · juniper-srx240 (environment) · juniper-srx240h2 (environment) · juniper-srx240m (environment) · juniper-srx300 (environment) · juniper-srx320 (environment) · juniper-srx340 (environment) · juniper-srx3400 (environment) · juniper-srx345 (environment) · juniper-srx3600 (environment) · juniper-srx380 (environment) · juniper-srx4000 (environment) · juniper-srx4100 (environment) · juniper-srx4200 (environment) · juniper-srx4600 (environment) · juniper-srx5000 (environment) · juniper-srx5400 (environment) · juniper-srx550 (environment) · juniper-srx550-hm (environment) · juniper-srx550m (environment) · juniper-srx5600 (environment) · juniper-srx5800 (environment) · juniper-srx650 (environment)

SRX100 · Juniperdevice

80%

All versions

SRX110 · Juniperdevice

80%

All versions

SRX1400 · Juniperdevice

80%

All versions

Srx1500 · Juniperdevice

80%

All versions