Security readout for executives and security teams
A malformed BGP routing update can crash and restart Junos OS routing daemon rpd. Repeated malformed updates can keep routing unstable, causing a prolonged denial of service. The sources identify availability impact only, not data theft or code execution. Exposure is most relevant for Junos OS devices participating in BGP on affected releases, including listed SRX, EX, QFX, NFX, and general Junos OS branches. Devices not running affected Junos OS versions or not receiving BGP UPDATEs have materially lower exposure. Treat as high priority for network infrastructure that carries BGP. The business risk is routing disruption and service instability, especially if repeated malformed updates are received. Prioritize exposed edge and core routing devices before lower-impact internal systems. Mitigation focus: Upgrade affected Junos OS branches to Juniper-listed fixed releases or later.; Prioritize Junos devices running BGP with external or partner peers.; Review Juniper JSA10848 for branch-specific fixed versions and guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2018-0020 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
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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/JSA10848CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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