Security readout for executives and security teams
A malformed RSVP network packet can crash or hang Junos OS routing software on affected Juniper devices. If triggered, the device may stop processing routing updates, creating a risk of extended network outage. Exposure is limited to Junos OS 16.1 before 16.1R3 and only where RSVP is enabled on an interface. Organizations are likely exposed only if they run Junos OS 16.1 before 16.1R3 and have RSVP enabled on reachable interfaces. Sources state releases before 16.1R1 are not affected. Treat this as high priority for networks using Juniper RSVP/MPLS features because successful triggering can disrupt routing availability. It is narrower than a broad internet software flaw, so prioritize confirmed Junos 16.1 RSVP deployments first. Mitigation focus: Upgrade affected Junos OS 16.1 systems to 16.1R3 or later per Juniper guidance.; Disable RSVP on interfaces where it is not operationally required.; Prioritize devices where RSVP-enabled interfaces are reachable from untrusted networks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2018-0027 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.juniper.net/JSA10861CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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