SRX Series: Embedded ICMP may cause the flowd process to crash
Published Oct 13, 2017
7.5
HIGHCVSS 3.0
EPSS 1.05%
Description
On SRX Series devices, a crafted ICMP packet embedded within a NAT64 IPv6 to IPv4 tunnel may cause the flowd process to crash. Repeated crashes of the flowd process constitutes an extended denial of service condition for the SRX Series device. This issue only occurs if NAT64 is configured. Affected releases are Juniper Networks Junos OS 12.1X46 prior to 12.1X46-D71, 12.3X48 prior to 12.3X48-D55, 15.1X49 prior to 15.1X49-D100 on SRX Series. No other Juniper Networks products or platforms are affected by this issue.
Affected products
-
- Version 12.1X46 prior to 12.1X46-D71StatusaffectedConstraints-
- Version 12.3X48 prior to 12.3X48-D55StatusaffectedConstraints-
- Version 15.1X49 prior to 15.1X49-D100StatusaffectedConstraints-
- 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
Running on/with
- n/a
Configuration 2
Configuration 3
- 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
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
No viable workaround exists for this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 1, 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.05% (0.01055) | 63.15th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.05% (0.01055) | 62.92th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.12% (0.00118) | 46.42th | v3 (v2023.03.01) |
| May 25, 2024 | 0.12% (0.00118) | 45.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00117) | 43.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00777) | 21.50th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00777) | 0.00th | v1 |
References (2)
- https://kb.juniper.net/JSA10813 x_refsource_CONFIRMVendor Advisory
- https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/nat-stateful-nat64-configuring.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.juniper.net/JSA10813 | x_refsource_CONFIRMVendor Advisory | |
| https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/nat-stateful-nat64-configuring.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.