CVE-2018-0030
Junos OS: MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) and PTX1K: Line card may crash upon receipt of specific MPLS packet.
- Published
- Updated
- Reserved
- Assigned by
- juniper
Description
Receipt of a specific MPLS packet may cause MPC7/8/9, PTX-FPC3 (FPC-P1, FPC-P2) line cards or PTX1K to crash and restart. By continuously sending specific MPLS packets, an attacker can repeatedly crash the line cards or PTX1K causing a sustained Denial of Service. Affected releases are Juniper Networks Junos OS with MPC7/8/9 or PTX-FPC3 (FPC-P1, FPC-P2) installed and PTX1K: 15.1F versions prior to 15.1F6-S10; 15.1 versions prior to 15.1R4-S9, 15.1R6-S6, 15.1R7; 16.1 versions prior to 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D46; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R1-S7, 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S4, 17.2R2-S4, 17.2R3; 17.2X75 versions prior to 17.2X75-D70, 17.2X75-D90; 17.3 versions prior to 17.3R1-S4, 17.3R2, 17.4 versions prior to 17.4R1-S2, 17.4R2. Refer to KB25385 for more information about PFE line cards.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| juniperCNA (assigner) | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (5 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service
- Remote Code Execution
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
- affected 15.1F – < 15.1F6-S10
- affected 15.1 – < 15.1R4-S9, 15.1R6-S6, 15.1R7
- affected 16.1 – < 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7
- affected 16.1X65 – < 16.1X65-D46
- affected 16.2 – < 16.2R1-S6, 16.2R2-S5, 16.2R3
- affected 17.1 – < 17.1R1-S7, 17.1R2-S7, 17.1R3
- affected 17.2 – < 17.2R1-S4, 17.2R2-S4, 17.2R3
- affected 17.2X75 – < 17.2X75-D70
- affected 17.3 – < 17.3R1-S4, 17.3R2
- affected 17.4 – < 17.4R1-S2, 17.4R2
What to do
Solution: The following software releases have been updated to resolve this specific issue: 12.1X46-D77, 12.3X48-D70, 14.1X53-D47, 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, 15.1X49-D140, 15.1X53-D471, 15.1X53-D59, 15.1X53-D67, 16.1R3-S8, 16.1R4-S9, 16.1R5-S4, 16.1R6-S3, 16.1R7, 16.1X65-D46, 16.2R1-S6, 16.2R2-S5, 16.2R3, 17.1R1-S7, 17.1R2-S7, 17.1R3, 17.2R1-S4, 17.2R2-S4, 17.2R3, 17.2X75-D70, 17.3R1-S4, 17.3R2, 17.4R1-S2, 17.4R2, 18.1R1, 18.1X75-D10 and all subsequent releases. This fix has been proactively committed into other releases that might not support these specific line card.
Workaround: No available workaround exists for this issue.
Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
References (3)
- https://kb.juniper.net/JSA10864 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://kb.juniper.net/KB25385 (opens in a new tab)x_refsource_MISCx_transferred
- 1041325 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-0030)Record last updated .