Junos OS: Invalid IP/mask learned from DHCP server might cause device control daemon (dcd) process crash
Published Oct 10, 2018
5.9
MEDIUMCVSS 3.0
EPSS 1.09%
Description
An improper input validation weakness in the device control daemon process (dcd) of Juniper Networks Junos OS allows an attacker to cause a Denial of Service to the dcd process and interfaces and connected clients when the Junos device is requesting an IP address for itself. Junos devices are not vulnerable to this issue when not configured to use DHCP. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D40 on SRX Series; 12.3X48 versions prior to 12.3X48-D20 on SRX Series; 14.1X53 versions prior to 14.1X53-D40 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 15.1X49 versions prior to 15.1X49-D20 on SRX Series; 15.1X53 versions prior to 15.1X53-D68 on QFX10000 Series; 15.1X53 versions prior to 15.1X53-D235 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D495 on NFX150, NFX250; 15.1X53 versions prior to 15.1X53-D590 on EX2300/EX3400; 15.1 versions prior to 15.1R7-S2.
Affected products
-
- Version 12.1X46StatusaffectedConstraints<12.1X46-D40
- Version 12.3X48StatusaffectedConstraints<12.3X48-D20
- Version 14.1X53StatusaffectedConstraints<14.1X53-D40
- Version 15.1StatusaffectedConstraints<15.1R7-S2
- Version 15.1X49StatusaffectedConstraints<15.1X49-D20
- Version 15.1X53StatusaffectedConstraints<15.1X53-D235
- Version 15.1X53StatusaffectedConstraints<15.1X53-D495
- Version 15.1X53StatusaffectedConstraints<15.1X53-D590
- Version 15.1X53StatusaffectedConstraints<15.1X53-D68
- 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
Configuration 2
Configuration 3
Configuration 4
Configuration 5
Configuration 6
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
- 15.1x53
Configuration 7
Configuration 8
Configuration 9
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: 12.1X46-D40, 12.3X48-D20, 14.1X53-D40, 15.1X49-D20, 15.1X53-D68, 15.1X53-D235, 15.1X53-D495, 15.1X53-D590, 15.1R7-S2, 16.1R1and all subsequent releases.
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:L/A:N
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.09% (0.01089) | 64.09th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.09% (0.01089) | 63.85th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00085) | 36.66th | v3 (v2023.03.01) |
| May 29, 2024 | 0.08% (0.00085) | 36.07th | v3 (v2023.03.01) |
| Mar 2, 2024 | 0.09% (0.00093) | 38.18th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00079) | 32.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00112) | 42.92th | 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)
- http://www.securitytracker.com/id/1041858 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10895 x_refsource_CONFIRMMitigationVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1041858 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://kb.juniper.net/JSA10895 | x_refsource_CONFIRMMitigationVendor Advisory |
Change history (0)
No recorded changes yet.