Junos: Unauthenticated Remote Code Execution through J-Web interface
Published Jan 10, 2018
9.8
CRITICALCVSS 3.0
EPSS 6.33%
Description
A remote, unauthenticated attacker may be able to execute code by exploiting a use-after-free defect found in older versions of PHP through injection of crafted data via specific PHP URLs within the context of the J-Web process. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D67; 12.3 versions prior to 12.3R12-S5; 12.3X48 versions prior to 12.3X48-D35; 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D44, 14.1X53-D50; 14.2 versions prior to 14.2R7-S7, 14.2R8; 15.1 versions prior to 15.1R3; 15.1X49 versions prior to 15.1X49-D30; 15.1X53 versions prior to 15.1X53-D70.
Affected products
-
- Version 12.1X46StatusaffectedConstraints<12.1X46-D67
- Version 12.3StatusaffectedConstraints<12.3R12-S5
- Version 12.3X48StatusaffectedConstraints<12.3X48-D35
- Version 14.1StatusaffectedConstraints<14.1R8-S5, 14.1R9
- Version 14.1X53StatusaffectedConstraints<14.1X53-D44, 14.1X53-D50
- Version 14.2StatusaffectedConstraints<14.2R7-S7, 14.2R8
- Version 15.1StatusaffectedConstraints<15.1R3
- Version 15.1X49StatusaffectedConstraints<15.1X49-D30
- Version 15.1X53StatusaffectedConstraints<15.1X53-D70
- 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
Configuration 2
Configuration 4
Configuration 5
Configuration 6
Configuration 8
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-D67, 12.3R12-S8*, 12.3X48-D55, 14.1R8-S5, 14.1R9, 14.1X53-D44, 14.1X53-D50, 14.2R7-S7, 14.2R8, 15.1F5-S8, 15.1F6-S8, 15.1R5-S6, 15.1R7, 15.1X49-D100, 15.1X53-D70, 16.1R4-S6, 16.1R5, 16.2R2-S2, 16.2R3, 17.1R2-S5*, 17.1R3*, 17.2R2, 17.3R1, and all subsequent releases.
*Pending release
NOTE: While Junos OS 12.3R12-S5, 12.3X48-D35, 15.1F2+, 15.1R3, 15.1X49-D30, and all subsequent releases are not vulnerable, this issue has been proactively resolved.
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:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/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 v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.33% (0.06335) | 93.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.46% (0.06455) | 92.83th | v5 (v2026.06.15) |
| Aug 28, 2025 | 4.22% (0.04221) | 88.30th | v4 (v2025.03.14) |
| Apr 9, 2025 | 5.90% (0.05904) | 89.72th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.93% (0.06934) | 90.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.69% (0.16689) | 91.58th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.93% (0.06934) | 90.27th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.72% (0.03720) | 87.19th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.23% (0.02230) | 89.18th | v3 (v2023.03.01) |
| Dec 21, 2023 | 6.01% (0.06007) | 92.74th | v3 (v2023.03.01) |
| Nov 20, 2023 | 6.10% (0.06099) | 92.74th | v3 (v2023.03.01) |
| Jul 13, 2023 | 5.96% (0.05959) | 92.44th | v3 (v2023.03.01) |
| Jun 3, 2023 | 5.67% (0.05667) | 92.16th | v3 (v2023.03.01) |
| May 8, 2023 | 6.10% (0.06102) | 92.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.41% (0.09415) | 93.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Oct 7, 2022 | 5.79% (0.05785) | 90.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01940) | 48.31th | v1 |
| Jan 6, 2022 | 1.94% (0.01940) | 47.78th | v1 |
| Sep 1, 2021 | 1.94% (0.01940) | 76.33th | v1 |
| Apr 14, 2021 | 1.94% (0.01940) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/103092 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1040180 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://kb.juniper.net/JSA10828 x_refsource_CONFIRMMitigationPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103092 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1040180 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://kb.juniper.net/JSA10828 | x_refsource_CONFIRMMitigationPatchVendor Advisory |
Change history (0)
No recorded changes yet.