CVE-2018-0050
Junos OS: Receipt of a malformed MPLS RSVP packet leads to a Routing Protocols Daemon (RPD) crash.
- Published
- Updated
- Reserved
- Assigned by
- juniper
Description
An error handling vulnerability in Routing Protocols Daemon (RPD) of Juniper Networks Junos OS allows an attacker to cause RPD to crash. Continued receipt of this malformed MPLS RSVP packet will cause a sustained Denial of Service condition. Affected releases are Juniper Networks Junos OS: 14.1 versions prior to 14.1R8-S5, 14.1R9; 14.1X53 versions prior to 14.1X53-D48 on QFX Switching; 14.2 versions prior to 14.1X53-D130 on QFabric System; 14.2 versions prior to 14.2R4. This issue does not affect versions of Junos OS before 14.1R1. Junos OS RSVP only supports IPv4. IPv6 is not affected by this issue. This issue require it to be received on an interface configured to receive this type of traffic.
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 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% 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
- Error Handling
- Denial of Service
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
- affected 14.1 – < 14.1R8-S5, 14.1R9
- affected 14.2 – < 14.2R4
- affected 14.1X53 – < 14.1X53-D48
- affected 14.2 – < 14.1X53-D130
What to do
Solution: The following software releases have been updated to resolve this specific issue: 14.1R8-S5, 14.1R9, 14.1X53-D130, 14.1X53-D48, 14.2R4, 15.1R1, and all subsequent releases.
Workaround: Remove MPLS configuration stanzas from interface configurations that are at risk. No other workarounds exist for this issue.
Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
References (3)
- 1041851 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://kb.juniper.net/JSA10884 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 106206 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2018-0050)Record last updated .