Junos OS: Denial of Service in J-Web
Published Oct 10, 2018
7.5
HIGHCVSS 3.0
EPSS 2.30%
Description
A Denial of Service vulnerability in J-Web service may allow a remote unauthenticated user to cause Denial of Service which may prevent other users to authenticate or to perform J-Web operations. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77 on SRX Series; 12.3 versions prior to 12.3R12-S10; 12.3X48 versions prior to 12.3X48-D60 on SRX Series; 15.1 versions prior to 15.1R7; 15.1F6; 15.1X49 versions prior to 15.1X49-D120 on SRX Series; 15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400 Series; 15.1X53 versions prior to 15.1X53-D67 on QFX10K Series; 15.1X53 versions prior to 15.1X53-D234 on QFX5200/QFX5110 Series; 15.1X53 versions prior to 15.1X53-D470, 15.1X53-D495 on NFX Series; 16.1 versions prior to 16.1R6; 16.2 versions prior to 16.2R2-S6, 16.2R3; 17.1 versions prior to 17.1R2-S6, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R2. No other Juniper Networks products or platforms are affected by this issue.
Affected products
-
- Version 12.1X46StatusaffectedConstraints<12.1X46-D77
- Version 12.3StatusaffectedConstraints<12.3R12-S10
- Version 12.3X48StatusaffectedConstraints<12.3X48-D60
- Version 15.1StatusaffectedConstraints<15.1R7
- Version 15.1F6StatusaffectedConstraints-
- Version 15.1X49StatusaffectedConstraints<15.1X49-D120
- Version 15.1X53StatusaffectedConstraints<15.1X53-D234
- Version 15.1X53StatusaffectedConstraints<15.1X53-D470, 15.1X53-D495
- Version 15.1X53StatusaffectedConstraints<15.1X53-D59
- Version 15.1X53StatusaffectedConstraints<15.1X53-D67
- Version 16.1StatusaffectedConstraints<16.1R6
- Version 16.2StatusaffectedConstraints<16.2R2-S6, 16.2R3
- Version 17.1StatusaffectedConstraints<17.1R2-S6, 17.1R3
- Version 17.2StatusaffectedConstraints<17.2R3
- Version 17.3StatusaffectedConstraints<17.3R2
- 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
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
- 12.1x46
Configuration 2
Configuration 3
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
- 12.3x48
Configuration 4
- 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 5
- 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
- 15.1x49
- 15.1x49
Configuration 6
Configuration 7
- 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 8
Configuration 9
Configuration 10
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-D77, 12.3R12-S10,12.3X48-D60, 15.1R7, 15.1X49-D120, 15.1X53-D234, 15.1X53-D470, 15.1X53-D495, 15.1X53-D59, 15.1X53-D67, 16.1R6, 16.2R2-S6, 16.2R3, 17.1R2-S6, 17.1R3, 17.2R3, 17.3R2, 17.4R1 and 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:L/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:L
AV:N/AC:L/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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.30% (0.02299) | 82.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.30% (0.02299) | 80.98th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00162) | 53.25th | v3 (v2023.03.01) |
| May 29, 2024 | 0.16% (0.00162) | 52.77th | v3 (v2023.03.01) |
| Mar 2, 2024 | 0.18% (0.00177) | 54.02th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.16% (0.00156) | 51.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00212) | 57.33th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01037) | 27.58th | v1 |
| Jan 6, 2022 | 1.04% (0.01037) | 26.97th | v1 |
| Sep 1, 2021 | 1.04% (0.01037) | 62.50th | v1 |
| Apr 14, 2021 | 1.04% (0.01037) | 0.00th | v1 |
References (2)
- http://www.securitytracker.com/id/1041860 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10897 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1041860 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://kb.juniper.net/JSA10897 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.