SRX Series: If Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled and specific traffic is processed the PFE will crash
Published Oct 18, 2022
7.5
HIGHCVSS 3.1
EPSS 0.67%
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 products
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- Version 21.4StatusaffectedConstraints<21.4R1-S2, 21.4R2
- Version 22.1StatusaffectedConstraints<22.1R1-S1, 22.1R2
- Version unspecifiedStatusunaffectedConstraints<21.4R1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS | n/a |
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The following software releases have been updated to resolve this specific issue: Junos OS: 21.4R1-S2, 21.4R2, 22.1R1-S1 22.1R2, 22.2R1, and all subsequent releases.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed May 9, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.67% (0.00670) | 50.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.62% (0.00616) | 44.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.21% (0.00215) | 41.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00088) | 39.34th | v3 (v2023.03.01) |
| May 4, 2024 | 0.09% (0.00088) | 37.17th | v3 (v2023.03.01) |
| Mar 24, 2024 | 0.08% (0.00085) | 34.83th | v3 (v2023.03.01) |
| Oct 24, 2023 | 0.08% (0.00077) | 31.90th | v3 (v2023.03.01) |
| Sep 17, 2023 | 0.06% (0.00055) | 20.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00046) | 13.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Oct 18, 2022 | 0.89% (0.00885) | 26.63th | v2 (v2022.01.01) |
References (1)
- https://kb.juniper.net/JSA69886 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.juniper.net/JSA69886 | Vendor Advisory |
Change history (0)
No recorded changes yet.