MX Series: In BBE configurations, receipt of a crafted IPv6 exception packet causes a Denial of Service
Published Oct 10, 2018
7.5
HIGHCVSS 3.0
EPSS 1.41%
Description
Receipt of a specially crafted IPv6 exception packet may be able to trigger a kernel crash (vmcore), causing the device to reboot. The issue is specific to the processing of Broadband Edge (BBE) client route processing on MX Series subscriber management platforms, introduced by the Tomcat (Next Generation Subscriber Management) functionality in Junos OS 15.1. This issue affects no other platforms or configurations. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S2, 15.1R8 on MX Series; 16.1 versions prior to 16.1R4-S11, 16.1R7-S2, 16.1R8 on MX Series; 16.2 versions prior to 16.2R3 on MX Series; 17.1 versions prior to 17.1R2-S9, 17.1R3 on MX Series; 17.2 versions prior to 17.2R2-S6, 17.2R3 on MX Series; 17.3 versions prior to 17.3R2-S4, 17.3R3-S2, 17.3R4 on MX Series; 17.4 versions prior to 17.4R2 on MX Series; 18.1 versions prior to 18.1R2-S3, 18.1R3 on MX Series; 18.2 versions prior to 18.2R1-S1, 18.2R2 on MX Series.
Affected products
-
- Version 15.1StatusaffectedConstraints<15.1R7-S2, 15.1R8
- Version 16.1StatusaffectedConstraints<16.1R4-S11, 16.1R7-S2, 16.1R8
- Version 16.2StatusaffectedConstraints<16.2R3
- Version 17.1StatusaffectedConstraints<17.1R2-S9, 17.1R3
- Version 17.2StatusaffectedConstraints<17.2R2-S6, 17.2R3
- Version 17.3StatusaffectedConstraints<17.3R2-S4, 17.3R3-S2, 17.3R4
- Version 17.4StatusaffectedConstraints<17.4R2
- Version 18.1StatusaffectedConstraints<18.1R2-S3, 18.1R3
- Version 18.2StatusaffectedConstraints<18.2R1-S1, 18.2R2
- 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
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
- 15.1
Configuration 2
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: 15.1R7-S2, 15.1R8, 16.1R4-S11, 16.1R7-S2, 16.1R8, 16.2R3, 17.1R2-S9, 17.1R3, 17.2R2-S6, 17.2R3, 17.3R2-S4, 17.3R3-S2*, 17.3R4, 17.4R2, 18.1R2-S3, 18.1R3, 18.2R1-S1, 18.2R2, 18.3R1, and all subsequent releases.
*Available November 2018
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.41% (0.01406) | 71.61th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.41% (0.01406) | 71.40th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00139) | 50.01th | v3 (v2023.03.01) |
| May 29, 2024 | 0.14% (0.00139) | 49.49th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.17% (0.00166) | 52.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.82th | 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 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://kb.juniper.net/JSA10893 x_refsource_CONFIRMVendor Advisory
- https://kb.juniper.net/KB31899 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.juniper.net/JSA10893 | x_refsource_CONFIRMVendor Advisory | |
| https://kb.juniper.net/KB31899 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.