Junos OS: SRX1500: Denial of service due to crash of srxpfe process under heavy traffic conditions.
Published Oct 9, 2019
7.5
HIGHCVSS 3.1
EPSS 1.28%
Description
Under certain heavy traffic conditions srxpfe process can crash and result in a denial of service condition for the SRX1500 device. Repeated crashes of the srxpfe can result in an extended denial of service condition. The SRX device may fail to forward traffic when this condition occurs. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D170 on SRX1500; 17.3 versions prior to 17.3R3-S7 on SRX1500; 17.4 versions prior to 17.4R2-S8, 17.4R3 on SRX1500; 18.1 versions prior to 18.1R3-S8 on SRX1500; 18.2 versions prior to 18.2R3 on SRX1500; 18.3 versions prior to 18.3R2 on SRX1500; 18.4 versions prior to 18.4R2 on SRX1500.
Affected products
-
- Version 15.1X49StatusaffectedConstraints<15.1X49-D170
- Version 17.3StatusaffectedConstraints<17.3R3-S7 (pending)
- Version 17.4StatusaffectedConstraints<17.4R2-S8, 17.4R3
- Version 18.1StatusaffectedConstraints<18.1R3-S8
- Version 18.2StatusaffectedConstraints<18.2R3
- Version 18.3StatusaffectedConstraints<18.3R2
- Version 18.4StatusaffectedConstraints<18.4R2
- 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 |
|
Configuration 1
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
- 15.1x49
Configuration 2
Configuration 3
Configuration 4
Configuration 5
Configuration 6
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: 15.1X49-D170, 17.3R3-S7(pending), 17.4R2-S8, 17.4R3, 18.1R3-S8, 18.2R3, 18.3R2, 18.4R2, 19.1R1, 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.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.28% (0.01282) | 69.05th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.28% (0.01282) | 68.77th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00103) | 42.78th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.10% (0.00103) | 42.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00103) | 40.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.28% (0.02283) | 52.26th | v1 |
| Jan 6, 2022 | 2.28% (0.02283) | 51.78th | v1 |
| Jan 5, 2022 | 0.52% (0.00518) | 31.20th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
No CWE recorded.
References (1)
- https://kb.juniper.net/JSA10972 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.juniper.net/JSA10972 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.