CVE-2018-0001 json
Junos: Unauthenticated Remote Code Execution through J-Web interface
published 2018-01-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-0826
- cvss
- 9.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.3%
- EPSS 6.3% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Juniper Networks Junos OS 12.1X46-D67, 12.3R12-S5, 12.3X48-D35, 14.1R8-S5, 14.1R9, 14.1X53-D44, 14.1X53-D50, 14.2R7-S7, 14.2R8, 15.1R3, 15.1X49-D30, 15.1X53-D70
- kb.juniper.net/JSA10828 advisory
Exploit prediction
6.33% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Juniper Networks Junos OS
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
kb.juniper.net
/JSA10828
mitigation, patch, vendor-advisory
-
securitytracker.com
/id/1040180
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/103092
vdb-entry
Sources
- CVE List CVE-2018-0001
- NVD CVE-2018-0001
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